Dyfyniad APA

Krypton, C. (1956). Northern sea route: And the economy of the Soviet North. methuen & Co.

Dyfyniad Arddull Chicago

Krypton, Constantine. Northern Sea Route: And the Economy of the Soviet North. London: methuen & Co, 1956.

Dyfyniad MLA

Krypton, Constantine. Northern Sea Route: And the Economy of the Soviet North. methuen & Co, 1956.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.