Guzman, R. (1974). Sweet potato marketing; Part II: Eastern Visayas. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture.
Citação norma ChicagoGuzman, R.D. Sweet Potato Marketing; Part II: Eastern Visayas. Quezon City: Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture, 1974.
Citação norma MLAGuzman, R.D. Sweet Potato Marketing; Part II: Eastern Visayas. Special Studies Division, National Food and Agriculture Council, Dept. of Agriculture, 1974.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.