APA (7e ed.) Bronvermelding

Mariano, S. M. (1980). Inservice training needs of foresters as perceived by them and their administrators [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Mariano, Sinesio M. Inservice Training Needs of Foresters as Perceived by Them and Their Administrators [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.

MLA (9e ed.) Bronvermelding

Mariano, Sinesio M. Inservice Training Needs of Foresters as Perceived by Them and Their Administrators [microform]. Photoduplication Service. University of the Philippines Library, 1980.