Unknown creator; St. Louis University; Parks College of Saint Louis University. (1943). Two Parks College students learn how to install an engine.
Čikaški stil citiranja (17. izdanje)Unknown creator; St. Louis University; Parks College of Saint Louis University. Two Parks College Students Learn How to Install an Engine. 1943.
MLA način citiranja (8. izdanje)Unknown creator; St. Louis University; Parks College of Saint Louis University. Two Parks College Students Learn How to Install an Engine. 1943.
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