Sayaboc, L. (1977). Comparative input, output and financial data for mongo, cotton, palay, Virginia tobacco and corn, Ilocos Region, 1977. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture.
Lua i Stíl Chicago (17ú heag.)Sayaboc, L.S. Comparative Input, Output and Financial Data for Mongo, Cotton, Palay, Virginia Tobacco and Corn, Ilocos Region, 1977. Quezon City: Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture, 1977.
Lua MLA (9ú heag.)Sayaboc, L.S. Comparative Input, Output and Financial Data for Mongo, Cotton, Palay, Virginia Tobacco and Corn, Ilocos Region, 1977. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture, 1977.
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