Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.