Hartwig, G. The Polar World A popular description of man and nature in the Arctic and Antarctic regions of the globe.
Chicago (17e ed.) BronvermeldingHartwig, G. The Polar World A Popular Description of Man and Nature in the Arctic and Antarctic Regions of the Globe.
MLA (9e ed.) BronvermeldingHartwig, G. The Polar World A Popular Description of Man and Nature in the Arctic and Antarctic Regions of the Globe.
Let op: Deze citaties zijn niet altijd 100% accuraat.