Lua APA (7ú heag.)

Oliva, V. G. (1974). The influence of the Camarines norte National Agricultural School (CNNAS) on the agricultural practices, particularly rice culture, in three rice-growing barrios of Camarines norte [microform]. Photoduplication Service University of the Philippines Library.

Lua i Stíl Chicago (17ú heag.)

Oliva, Virgilio G. The Influence of the Camarines Norte National Agricultural School (CNNAS) on the Agricultural Practices, Particularly Rice Culture, in Three Rice-growing Barrios of Camarines Norte [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1974.

Lua MLA (9ú heag.)

Oliva, Virgilio G. The Influence of the Camarines Norte National Agricultural School (CNNAS) on the Agricultural Practices, Particularly Rice Culture, in Three Rice-growing Barrios of Camarines Norte [microform]. Photoduplication Service University of the Philippines Library, 1974.

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