APA ציטוט

Zeilik, M. (1979). Astronomy: The evoloving Universe. Harper & Row.

Chicago Edition Citation

Zeilik, Michael. Astronomy: The Evoloving Universe. New York: Harper & Row, 1979.

ציטוט MLA

Zeilik, Michael. Astronomy: The Evoloving Universe. Harper & Row, 1979.