Παραπομπή APA

Eklund, C. R., & Beckman, J. (1963). Antarctica: Polar research and discovery during the international geophysical year. New York: Holt, Rinehart and Winston.

Παραπομπή Chicago Style

Eklund, Carl R., and Joan Beckman. Antarctica: Polar Research and Discovery During the International Geophysical Year. New York: Holt, Rinehart and Winston, 1963.

Παραπομπή MLA

Eklund, Carl R., and Joan Beckman. Antarctica: Polar Research and Discovery During the International Geophysical Year. New York: Holt, Rinehart and Winston, 1963.

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