Gaya APA
Dahlman, C. (2010).
Introduction to geography : people, places, and environment, International Edition .
Prentice Hal, Paperback, 2010:
Pearson.
Gaya MLA
Dahlman, Carl.
"Introduction to geography : people, places, and environment, International Edition".
Prentice Hal, Paperback, 2010:
Pearson,
2010.
.