APA (7e ed.) Bronvermelding

Não informado. (2001). Annual report on the mineral resources of the URSS. Geological Committee.

Chicago (17e ed.) Bronvermelding

Não informado. Annual Report on the Mineral Resources of the URSS. Leningrad, Rússia: Geological Committee, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Annual Report on the Mineral Resources of the URSS. Geological Committee, 2001.

Let op: Deze citaties zijn niet altijd 100% accuraat.