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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSayaboc, 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSayaboc, 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.