Não informado. (1969). Comments on astrophysics and space physics. Gordon and Breach.
Chicago-Zitierstil (17. Ausg.)Não informado. Comments on Astrophysics and Space Physics. New York: Gordon and Breach, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. Comments on Astrophysics and Space Physics. Gordon and Breach, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.