Não informado. (1941). Alabama conservation. Department of Conservation and Natural Resources.
Chicago (17e ed.) BronvermeldingNão informado. Alabama Conservation. Montgomery, Ala: Department of Conservation and Natural Resources, 1941.
MLA (8e ed.) BronvermeldingNão informado. Alabama Conservation. Department of Conservation and Natural Resources, 1941.
Let op: Deze citaties zijn niet altijd 100% accuraat.