Não informado. (1969). Comments on astrophysics and space physics. Gordon and Breach.
Chicagoスタイル(17版)引用形式Não informado. Comments on Astrophysics and Space Physics. New York: Gordon and Breach, 1969.
MLA(8版)引用形式Não informado. Comments on Astrophysics and Space Physics. Gordon and Breach, 1969.
警告: この引用は必ずしも正確ではありません.