Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.