Sayaboc, L. (1978). Production and marketing of palay seed: Ilocos Region. Special Studies Division, Dept. of Agriculture.
Citazione stile Chigago Style (17a edizione)Sayaboc, L.S. Production and Marketing of Palay Seed: Ilocos Region. Quezon City: Special Studies Division, Dept. of Agriculture, 1978.
Citatione MLA (9a ed.)Sayaboc, L.S. Production and Marketing of Palay Seed: Ilocos Region. Special Studies Division, Dept. of Agriculture, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.