Gagarin, Y., & Lebedev, V. (1969). Survival in space. Frederick A. Praeger.
Chicagoスタイル(17版)引用形式Gagarin, Yuri, , Vladimir Lebedev. Survival in Space. New York: Frederick A. Praeger, 1969.
MLA(9版)引用形式Gagarin, Yuri, , Vladimir Lebedev. Survival in Space. Frederick A. Praeger, 1969.
警告: この引用は必ずしも正確ではありません.