Hegner, R. W., & Engemann, J. G. (1968). Invertebrate zoology. Macmillan.
Chicago Style (17th ed.) CitationHegner, Robert William, and Joseph G. Engemann. Invertebrate Zoology. New York: Macmillan, 1968.
MLA citiranjeHegner, Robert William, and Joseph G. Engemann. Invertebrate Zoology. Macmillan, 1968.
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