Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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