APA aipamena

Alimagno, B. V. (1977). In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style aipamena

Alimagno, Bonifacio Villanueva. In Situ Determination of Biological Nitrogen Fixation by Blue-green Algae in Lowland Rice Fields [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

MLA aipamena

Alimagno, Bonifacio Villanueva. In Situ Determination of Biological Nitrogen Fixation by Blue-green Algae in Lowland Rice Fields [microform]. Photoduplication Service, University of the Philippines Library, 1977.