Raven, P. H. (1992). Biology (3rd ed.). Mosby Year Book.
Chicago-čujuhus (17. p.)Raven, Peter H. Biology. 3rd ed. St. Louis: Mosby Year Book, 1992.
MLA-čujuhus (9. p.)Raven, Peter H. Biology. 3rd ed. Mosby Year Book, 1992.
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