APA (7th ed.) Zitazioa
Pennington, S. (2000). Introduction to genetics. Blackwell Science.
Chicago Style (17th ed.) Zitazioa
Pennington, Sandra. Introduction to Genetics. Malden, Mass: Blackwell Science, 2000.
MLA (9th ed.) Zitazioa
Pennington, Sandra. Introduction to Genetics. Blackwell Science, 2000.
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