Não informado. (1954). West Coast South America series. American University Field Staff.
Style de citation Chicago (17e éd.)Não informado. West Coast South America Series. New York: American University Field Staff, 1954.
Style de citation MLA (8e éd.)Não informado. West Coast South America Series. American University Field Staff, 1954.
Attention : ces citations peuvent ne pas être correctes à 100%.