Poulsom, N. W. (1968). The white ribbon: A medallic record of British polar expeditions. Seaby.
Chicago-Zitierstil (17. Ausg.)Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. London: Seaby, 1968.
MLA-Zitierstil (8. Ausg.)Poulsom, Neville Wright. The White Ribbon: A Medallic Record of British Polar Expeditions. Seaby, 1968.
警告：这些引文格式不一定是100％准确.