Não informado. (1948). Educational series. Florida Department of Natural Resources.
Chicago-Zitierstil (17. Ausg.)Não informado. Educational Series. Tallahassee, Fla: Florida Department of Natural Resources, 1948.
MLA-Zitierstil (8. Ausg.)Não informado. Educational Series. Florida Department of Natural Resources, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.