Leonard, W. H. (2003). Biology: A community context. Boston, MA: McGraw-Hill / Irwin.
Chicago Style aipamenaLeonard, William H. Biology: A Community Context. Boston, MA: McGraw-Hill / Irwin, 2003.
MLA aipamenaLeonard, William H. Biology: A Community Context. Boston, MA: McGraw-Hill / Irwin, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.