Loundsbury, J. F. (1986). Introduction to geographic field methods and techniques GA151 (3rd ed.). Merrill Publishing.
Style de citation Chicago (17e éd.)Loundsbury, John F. Introduction to Geographic Field Methods and Techniques GA151. 3rd ed. Columbia, Ohio: Merrill Publishing, 1986.
Style de citation MLA (9e éd.)Loundsbury, John F. Introduction to Geographic Field Methods and Techniques GA151. 3rd ed. Merrill Publishing, 1986.
Attention : ces citations peuvent ne pas être correctes à 100%.