Brown, C. R., & Brown, M. B. Testis size increases with colony size in cliff swallows.
Chicago Style aipamenaBrown, Charles R., và Mary Bomberger Brown. Testis Size Increases With Colony Size in Cliff Swallows.
MLA aipamenaBrown, Charles R., và Mary Bomberger Brown. Testis Size Increases With Colony Size in Cliff Swallows.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.