APA aipamena

Philippines, & Bureau of agricultural research. (1990). On-farm research manual: Feedback mechanism. Quezon city, Philippines: Bureau of agricultural research.

Chicago Style aipamena

Philippines, và Bureau of agricultural research. On-farm Research Manual: Feedback Mechanism. Quezon city, Philippines: Bureau of agricultural research, 1990.

MLA aipamena

Philippines, và Bureau of agricultural research. On-farm Research Manual: Feedback Mechanism. Quezon city, Philippines: Bureau of agricultural research, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.