Παραπομπή APA

Kopal, Z. (1956). Proceedings of a symposium on astronomical optics and related subjects: Held in the University of Manchester, April 19th-22nd, 1955. Amsterdam: North-Holland.

Παραπομπή Chicago Style

Kopal, Zdenek. Proceedings of a Symposium On Astronomical Optics and Related Subjects: Held in the University of Manchester, April 19th-22nd, 1955. Amsterdam: North-Holland, 1956.

Παραπομπή MLA

Kopal, Zdenek. Proceedings of a Symposium On Astronomical Optics and Related Subjects: Held in the University of Manchester, April 19th-22nd, 1955. Amsterdam: North-Holland, 1956.

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