APA (7th ed.) Zitazioa
Peifer, R. W. (1985). Introduction to biology: Laboratory exercises (4th ed.). Burgess.
Chicago Style (17th ed.) Zitazioa
Peifer, R. W. Introduction to Biology: Laboratory Exercises. 4th ed. Minnesota: Burgess, 1985.
MLA (9th ed.) Zitazioa
Peifer, R. W. Introduction to Biology: Laboratory Exercises. 4th ed. Burgess, 1985.
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