Gaya APA

Tarbuck, E, J. et al (2000). Earth Science : Tarbuck Lutgens (Ed. 9). New Jersey, Amerika: Prentice Hall.

Gaya MLA

Tarbuck, Edward, J.. et al. "Earth Science : Tarbuck Lutgens". Ed. 9 New Jersey, Amerika: Prentice Hall, 2000. Text.