Παραπομπή σε μορφή APA (7η εκδ.)

David, C. C. (1982). Government policies and farm mechanization in the Philippines. Philippine Institute for Development Studies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

David, Cristina C. Government Policies and Farm Mechanization in the Philippines. [Makati, Metro Manila]: Philippine Institute for Development Studies, 1982.

Παραπομπή σε μορφή MLA (9th εκδ.)

David, Cristina C. Government Policies and Farm Mechanization in the Philippines. Philippine Institute for Development Studies, 1982.