Ang, L. S. (1979). Comparative input, output and financial data for cotton, palay, burley tobacco, virginia tobacco, and native tobacco, Ilocos region, Tarlac and Nueva Ecija, 1979. Special Studies Division, Ministry of Agriculture.
Citazione stile Chigago Style (17a edizione)Ang, L. S. Comparative Input, Output and Financial Data for Cotton, Palay, Burley Tobacco, Virginia Tobacco, and Native Tobacco, Ilocos Region, Tarlac and Nueva Ecija, 1979. Quezon City: Special Studies Division, Ministry of Agriculture, 1979.
Citatione MLA (9a ed.)Ang, L. S. Comparative Input, Output and Financial Data for Cotton, Palay, Burley Tobacco, Virginia Tobacco, and Native Tobacco, Ilocos Region, Tarlac and Nueva Ecija, 1979. Special Studies Division, Ministry of Agriculture, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.