APA citiranje

Philippines, & Bureau of Agricultural Research. (1990). On-farm research manual: Pilot production programs. Quezon city, Philippines: Bureau of Agricultural research.

Trích dẫn kiểu Chicago

Philippines, và Bureau of Agricultural Research. On-farm Research Manual: Pilot Production Programs. Quezon city, Philippines: Bureau of Agricultural research, 1990.

MLA citiranje

Philippines, và Bureau of Agricultural Research. On-farm Research Manual: Pilot Production Programs. Quezon city, Philippines: Bureau of Agricultural research, 1990.

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