Não informado. (1979). Working paper series. International Potato Center, Social Science Department.
Style de citation Chicago (17e éd.)Não informado. Working Paper Series. Lima: International Potato Center, Social Science Department, 1979.
Style de citation MLA (8e éd.)Não informado. Working Paper Series. International Potato Center, Social Science Department, 1979.
Attention : ces citations peuvent ne pas être correctes à 100%.