Woodward, F. (1993). Shells: The new compact study and identifier. Chartwell Books.
Chicago Style (17th ed.) CitationWoodward, Fred. Shells: The New Compact Study and Identifier. Secausus, NJ: Chartwell Books, 1993.
MLA citiranjeWoodward, Fred. Shells: The New Compact Study and Identifier. Chartwell Books, 1993.
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