Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.