Sayaboc, L. (1978). Production and marketing of palay seed: Ilocos Region. Special Studies Division, Dept. of Agriculture.
Citace podle Chicago (17th ed.)Sayaboc, L.S. Production and Marketing of Palay Seed: Ilocos Region. Quezon City: Special Studies Division, Dept. of Agriculture, 1978.
Citace podle MLA (9th ed.)Sayaboc, L.S. Production and Marketing of Palay Seed: Ilocos Region. Special Studies Division, Dept. of Agriculture, 1978.
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