Philippines (Commonwealth) Dept. of Agriculture and Commerce. (1977). Land resources of the Philippines [microform]. Photoduplication Service, University of the Philippines Library.
Цитирование в стиле Чикаго (17-е изд.)Philippines (Commonwealth) Dept. of Agriculture and Commerce. Land Resources of the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Цитирование MLA (9-е изд.)Philippines (Commonwealth) Dept. of Agriculture and Commerce. Land Resources of the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.