Hartzell, G. (1993). Letting Others Know How They're Doing.
Style de citation Chicago (17e éd.)Hartzell, Gary. Letting Others Know How They're Doing. 1993.
Style de citation MLA (9e éd.)Hartzell, Gary. Letting Others Know How They're Doing. 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.