Gaya APA

Nystuen, J, F, K, &, J, D. (1974). Geography,The Of Location,Culture,And Environment . New York. USA: Mcgraw Hill Book Company.

Gaya MLA

Nystuen, Jhon, F., Kolars, &, Jhon, D.. "Geography,The Of Location,Culture,And Environment". New York. USA: Mcgraw Hill Book Company, 1974. Text.