APA Citation

Balchen, B. (1960). The Next Fifty Years of Flight. New York: The Viking.

Trích dẫn kiểu Chicago

Balchen, Bernt. The Next Fifty Years of Flight. New York: The Viking, 1960.

MLA Citation

Balchen, Bernt. The Next Fifty Years of Flight. New York: The Viking, 1960.

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