Sayaboc, L. (1978). Comparative input, output and financial data for cotton, corn, palay, mongo, Virginia tobacco, native tobacco and Burley tobacco, Ilocos region, 1978. Special Studies Division, Planning Service, Ministry of Agriculture.
Cytowanie według stylu Chicago (wyd. 17)Sayaboc, L.S. Comparative Input, Output and Financial Data for Cotton, Corn, Palay, Mongo, Virginia Tobacco, Native Tobacco and Burley Tobacco, Ilocos Region, 1978. Quezon City: Special Studies Division, Planning Service, Ministry of Agriculture, 1978.
Cytowanie według stylu MLA (wyd. 9)Sayaboc, L.S. Comparative Input, Output and Financial Data for Cotton, Corn, Palay, Mongo, Virginia Tobacco, Native Tobacco and Burley Tobacco, Ilocos Region, 1978. Special Studies Division, Planning Service, Ministry of Agriculture, 1978.