Dyfyniad APA

Pasachoff, J. M. (1983). Astronomy, from the earth to the Universe (2nd ed.). Saunders College Pub..

Dyfyniad Arddull Chicago

Pasachoff, Jay M. Astronomy, from the Earth to the Universe. 2nd ed. Philadelphia: Saunders College Pub., 1983.

Dyfyniad MLA

Pasachoff, Jay M. Astronomy, from the Earth to the Universe. 2nd ed. Saunders College Pub., 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.