APA-viite (7. p.)
Heizer, R. F. (1969). Man's discovery of his past: A sourcebook of original articles. Peek Publications.
Chicago-viite (17. p.)
Heizer, Robert F. Man's Discovery of His Past: A Sourcebook of Original Articles. California: Peek Publications, 1969.
MLA-viite (9. p.)
Heizer, Robert F. Man's Discovery of His Past: A Sourcebook of Original Articles. Peek Publications, 1969.
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