Παραπομπή APA
International Astronomical Union Symposium, & Kopal, Z. (1962). The moon: International astronomical union symposium no. 14, held at Pulkovo Observatory near Leningrad, Dec. 1960. London: Academic Press.
Παραπομπή Chicago StyleInternational Astronomical Union Symposium, and Zdeněk Kopal. The Moon: International Astronomical Union Symposium No. 14, Held At Pulkovo Observatory Near Leningrad, Dec. 1960. London: Academic Press, 1962.
Παραπομπή MLAInternational Astronomical Union Symposium, and Zdeněk Kopal. The Moon: International Astronomical Union Symposium No. 14, Held At Pulkovo Observatory Near Leningrad, Dec. 1960. London: Academic Press, 1962.
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