Cita APA (7th ed.)

Campos, B. (1976). Socio-economic study of farmers in Kalinga-Apayao. Special Studies Division, Dept. of Agriculture.

Cita Chicago (17th ed.)

Campos, B.T. Socio-economic Study of Farmers in Kalinga-Apayao. Quezon City: Special Studies Division, Dept. of Agriculture, 1976.

Cita MLA (9th ed.)

Campos, B.T. Socio-economic Study of Farmers in Kalinga-Apayao. Special Studies Division, Dept. of Agriculture, 1976.