Philippines Islands. Bureau of Lands. (1977). Informe annual del director de terrenos [microform]. Photoduplication Service University of the Philippines Library.
Cita Chicago (17th ed.)Philippines Islands. Bureau of Lands. Informe Annual Del Director De Terrenos [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1977.
Cita MLA (9th ed.)Philippines Islands. Bureau of Lands. Informe Annual Del Director De Terrenos [microform]. Photoduplication Service University of the Philippines Library, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.