एपीए उद्धरण

(2004). Astronomy: Essential study partner (Version 2.0.). New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Astronomy: Essential Study Partner. Version 2.0. New York: McGraw-Hill, 2004.

एमएलए उद्धरण

Astronomy: Essential Study Partner. Version 2.0. New York: McGraw-Hill, 2004.