Παραπομπή σε μορφή APA (7η εκδ.)

Philippines. Bureau of Agricultural Research. (1990). On-farm research manual. Bureau of Agricultural Research, Department of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines. Bureau of Agricultural Research. On-farm Research Manual. Quezon City: Bureau of Agricultural Research, Department of Agriculture, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines. Bureau of Agricultural Research. On-farm Research Manual. Bureau of Agricultural Research, Department of Agriculture, 1990.