एपीए उद्धरण

(2005). Prentice Hall science explorer: Earth's changing surface. Boston, MA: Pearson Prentice-Hall.

शिकागो स्टाइल उद्धरण

Prentice Hall Science Explorer: Earth's Changing Surface. Boston, MA: Pearson Prentice-Hall, 2005.

एमएलए उद्धरण

Prentice Hall Science Explorer: Earth's Changing Surface. Boston, MA: Pearson Prentice-Hall, 2005.