APA aipamena

Philippines, & Bureau of Agricultural Research. (1990). On-farm research manual: Planning on-farm research. Quezon City, Philippines: Bureau of Agricultural research.

Chicago Style aipamena

Philippines, và Bureau of Agricultural Research. On-farm Research Manual: Planning On-farm Research. Quezon City, Philippines: Bureau of Agricultural research, 1990.

MLA aipamena

Philippines, và Bureau of Agricultural Research. On-farm Research Manual: Planning On-farm Research. Quezon City, Philippines: Bureau of Agricultural research, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.