Valiente, A. M. (1982). Vegetable marketing, Camarines Sur and Albay. Special Studies Division, Planning Service, Office of the Minister, Ministry of Agriculture.
Citazione stile Chigago Style (17a edizione)Valiente, A. M. Vegetable Marketing, Camarines Sur and Albay. Quezon City: Special Studies Division, Planning Service, Office of the Minister, Ministry of Agriculture, 1982.
Citatione MLA (9a ed.)Valiente, A. M. Vegetable Marketing, Camarines Sur and Albay. Special Studies Division, Planning Service, Office of the Minister, Ministry of Agriculture, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.