Poulsom, N. W. (1968). The white ribbon: A medallic record of British polar expeditions. Seaby.
Chicago-viite (17. p.)Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. London: Seaby, 1968.
MLA-viite (8. p.)Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. Seaby, 1968.
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