Krypton, C. (1956). Northern sea route: And the economy of the Soviet North. methuen & Co.
シカゴスタイル引用形Krypton, Constantine. Northern Sea Route: And the Economy of the Soviet North. London: methuen & Co, 1956.
MLA引用形式Krypton, Constantine. Northern Sea Route: And the Economy of the Soviet North. methuen & Co, 1956.
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