Não informado. (1902). Journal of Geography. National Council for Geographic Education.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Geography. Indiana, Pa: National Council for Geographic Education, 1902.
MLA (8e ed.) BronvermeldingNão informado. Journal of Geography. National Council for Geographic Education, 1902.
Let op: Deze citaties zijn niet altijd 100% accuraat.