Não informado. (1948). Collected papers from the Museum of Natural History. Museum of Natural History.
Chicago-viite (17. p.)Não informado. Collected Papers from the Museum of Natural History. Aarhus, Dinamarca: Museum of Natural History, 1948.
MLA-viite (8. p.)Não informado. Collected Papers from the Museum of Natural History. Museum of Natural History, 1948.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.