Philippine Islands. Dept. of Agriculture and Natural Resources. (1976). Agricultural development in southeastern Asia and Malaysia by Hon. Rafael R. Alunan, secretary of agriculture and natural resources: A report on his observations while cruising with the governor-general of the Philippine islands, on the U.S.S. Pittsburgh, from Feb. 28-to April 14, 1931 [microform]. Photoduplication Service, University of the Phil ppines Library.
Chicago-referens (17:e uppl.)Philippine Islands. Dept. of Agriculture and Natural Resources. Agricultural Development in Southeastern Asia and Malaysia by Hon. Rafael R. Alunan, Secretary of Agriculture and Natural Resources: A Report on His Observations While Cruising with the Governor-general of the Philippine Islands, on the U.S.S. Pittsburgh, from Feb. 28-to April 14, 1931 [microform]. Quezon City: Photoduplication Service, University of the Phil ppines Library, 1976.
MLA-referens (9:e uppl.)Philippine Islands. Dept. of Agriculture and Natural Resources. Agricultural Development in Southeastern Asia and Malaysia by Hon. Rafael R. Alunan, Secretary of Agriculture and Natural Resources: A Report on His Observations While Cruising with the Governor-general of the Philippine Islands, on the U.S.S. Pittsburgh, from Feb. 28-to April 14, 1931 [microform]. Photoduplication Service, University of the Phil ppines Library, 1976.