APA (7th ed.) Zitazioa
Mortimer, M. (2007). Learn Dewey Decimal Classification (Edition 22) (1st North American ed.). TotalRecall Pub..
Chicago Style (17th ed.) Zitazioa
Mortimer, Mary. Learn Dewey Decimal Classification (Edition 22). 1st North American ed. Friendswood, Tex.: TotalRecall Pub., 2007.
MLA (9th ed.) Zitazioa
Mortimer, Mary. Learn Dewey Decimal Classification (Edition 22). 1st North American ed. TotalRecall Pub., 2007.
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