Não informado. (2001). Beach and pool and swimming. Hoffman-Harris.
Chicago-Zitierstil (17. Ausg.)Não informado. Beach and Pool and Swimming. New York: Hoffman-Harris, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. Beach and Pool and Swimming. Hoffman-Harris, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.