APA (7e ed.) Bronvermelding

Nguyen, E. L. (1979). The influence of weather on rice production [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Nguyen, Elvira Liwag. The Influence of Weather on Rice Production [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.

MLA (9e ed.) Bronvermelding

Nguyen, Elvira Liwag. The Influence of Weather on Rice Production [microform]. Photoduplication Service, University of the Philippines Library, 1979.