Gaya APA

Haring, L, L., F., I, L, J. (1983). Introduction to scientific geographic research . Iowa: Iowa: WM.C. Brown Company; 1983.

Gaya MLA

Haring, L., Lioyd., F., I., Lounsbury,, John. "Introduction to scientific geographic research". Iowa: Iowa: WM.C. Brown Company; 1983, 1983. Text.