Mader, S. S. (2010). Biology. New York: McGraw-Hill Higher Education.
Chicago Style aipamenaMader, Sylvia S. Biology. New York: McGraw-Hill Higher Education, 2010.
MLA aipamenaMader, Sylvia S. Biology. New York: McGraw-Hill Higher Education, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.