Não informado. (2003). NIPR Arctic Data Reports. National Institute of Polar Research.
Chicago (17e ed.) BronvermeldingNão informado. NIPR Arctic Data Reports. Tokyo: National Institute of Polar Research, 2003.
MLA (8e ed.) BronvermeldingNão informado. NIPR Arctic Data Reports. National Institute of Polar Research, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.