Não informado. (1954). West Coast South America series. American University Field Staff.
Chicago-viite (17. p.)Não informado. West Coast South America Series. New York: American University Field Staff, 1954.
MLA-viite (8. p.)Não informado. West Coast South America Series. American University Field Staff, 1954.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.