Bolles, R. N. (1971). What color is your parachute? (Revised and updated annually.). Ten Speed Press.
Style de citation Chicago (17e éd.)Bolles, Richard Nelson. What Color Is Your Parachute? Revised and updated annually. California: Ten Speed Press, 1971.
Style de citation MLA (8e éd.)Bolles, Richard Nelson. What Color Is Your Parachute? Revised and updated annually. Ten Speed Press, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.