Παραπομπή APA

Blij, H. (2003). Human geography. John wiley and sons.

Παραπομπή Chicago Style

Blij, H.J.de. Human Geography. New York: John wiley and sons, 2003.

Παραπομπή MLA

Blij, H.J.de. Human Geography. John wiley and sons, 2003.