APA aipamena

Porter, J. C., & O'Connell, S. M. (2014). Encounter physical geography: Interactive explorations of earth using Google Earth. Prentice Hall ; Pearson Education [distributor].

Chicago Style aipamena

Porter, Jess C., and Stephen Michael O'Connell. Encounter Physical Geography: Interactive Explorations of Earth Using Google Earth. Upper Saddle River, N.J. : London: Prentice Hall ; Pearson Education [distributor], 2014.

MLA aipamena

Porter, Jess C., and Stephen Michael O'Connell. Encounter Physical Geography: Interactive Explorations of Earth Using Google Earth. Prentice Hall ; Pearson Education [distributor], 2014.