Cita APA (7th ed.)

Apolinario, C. (1975). Farm management studies in Cagayan Valley. Special Studies Division, Dept. of Agriculture.

Cita Chicago (17th ed.)

Apolinario, C.H. Farm Management Studies in Cagayan Valley. Quezon City: Special Studies Division, Dept. of Agriculture, 1975.

Cita MLA (9th ed.)

Apolinario, C.H. Farm Management Studies in Cagayan Valley. Special Studies Division, Dept. of Agriculture, 1975.