Gaya APA

Al, J, J, E. (2005). Prentice Hall Science Explorer: Earth Science (Cet. 1). New Jersey: Pearson Prentice Hall.

Gaya MLA

Al, Jan, Jenner, Et.. "Prentice Hall Science Explorer: Earth Science". Cet. 1 New Jersey: Pearson Prentice Hall, 2005. Text.