APA-referens (7:e uppl.)

Salcedo, R. N. (1977). A comparative study of the in-school and out-of-school farming programs in ten selected agricultural schools in the Philippines [microform]. Photoduplication Service,University of the Philippines Library.

Chicago-referens (17:e uppl.)

Salcedo, Rodolfo Nacino. A Comparative Study of the In-school and Out-of-school Farming Programs in Ten Selected Agricultural Schools in the Philippines [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1977.

MLA-referens (9:e uppl.)

Salcedo, Rodolfo Nacino. A Comparative Study of the In-school and Out-of-school Farming Programs in Ten Selected Agricultural Schools in the Philippines [microform]. Photoduplication Service,University of the Philippines Library, 1977.