Não informado. (1954). West Coast South America series. American University Field Staff.
Chicago-Zitierstil (17. Ausg.)Não informado. West Coast South America Series. New York: American University Field Staff, 1954.
MLA-Zitierstil (8. Ausg.)Não informado. West Coast South America Series. American University Field Staff, 1954.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.