Ang, L. (1980). Comparative input, output and financial data from cotton, palay, burley tobacco, virginia tobacco and native tobacco, Ilocos region, Tarlac, Nueva Ecija and Cagayan, 1980: L.S. Ang ... [et al.]. Special Studies Division, Ministry of Agriculture.
Cytowanie według stylu Chicago (wyd. 17)Ang, L.S. Comparative Input, Output and Financial Data from Cotton, Palay, Burley Tobacco, Virginia Tobacco and Native Tobacco, Ilocos Region, Tarlac, Nueva Ecija and Cagayan, 1980: L.S. Ang ... [et Al.]. Quezon City: Special Studies Division, Ministry of Agriculture, 1980.
Cytowanie według stylu MLA (wyd. 9)Ang, L.S. Comparative Input, Output and Financial Data from Cotton, Palay, Burley Tobacco, Virginia Tobacco and Native Tobacco, Ilocos Region, Tarlac, Nueva Ecija and Cagayan, 1980: L.S. Ang ... [et Al.]. Special Studies Division, Ministry of Agriculture, 1980.