APA Style

J., D, B, H., Muller, P, O. (1993). Physical geography of the global environment / Harm J. De Blij and Peter O. Muller (1). New York: John Wiley & Sons.

MLA Style

J., De, Blij,, Harm., Muller, Peter, O.. "Physical geography of the global environment / Harm J. De Blij and Peter O. Muller". 1 New York: John Wiley & Sons, 1993. Textbook ห้องสมุดทั่วไป.