Gaya APA

Exline, R, P, L, ;, G, L, P, ;, C, H. (1981). People, environment, and place: an introduction to human geography . London: charles merrill.

Gaya MLA

Exline, Robert, P., Larkin, ;, Gary, L., Peters, ;, Christopher, H.. "People, environment, and place: an introduction to human geography". London: charles merrill, 1981. Text.