Ang, L., & Felipe, C. (1980). Socio-economic, production and marketing study, Iguig, Cagayan. Special Studies Division, Ministry of Agriculture.
Cita Chicago (17th ed.)Ang, L.S, i C.T Felipe. Socio-economic, Production and Marketing Study, Iguig, Cagayan. Quezon City: Special Studies Division, Ministry of Agriculture, 1980.
Cita MLA (9th ed.)Ang, L.S, i C.T Felipe. Socio-economic, Production and Marketing Study, Iguig, Cagayan. Special Studies Division, Ministry of Agriculture, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.