Valiente, A. M. (1982). Vegetable marketing, Camarines Sur and Albay. Special Studies Division, Planning Service, Office of the Minister, Ministry of Agriculture.
Chicago-referens (17:e uppl.)Valiente, A. M. Vegetable Marketing, Camarines Sur and Albay. Quezon City: Special Studies Division, Planning Service, Office of the Minister, Ministry of Agriculture, 1982.
MLA-referens (9:e uppl.)Valiente, A. M. Vegetable Marketing, Camarines Sur and Albay. Special Studies Division, Planning Service, Office of the Minister, Ministry of Agriculture, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.