Style de citation APA (7e éd.)
Conwel, R. H., & Jordan, W. G. (1983). Motivational classics: Three reowned books in one volume. Life management Services.
Style de citation Chicago (17e éd.)
Conwel, Russell H., et William George Jordan. Motivational Classics: Three Reowned Books in One Volume. Life management Services, 1983.
Style de citation MLA (9e éd.)
Conwel, Russell H., et William George Jordan. Motivational Classics: Three Reowned Books in One Volume. Life management Services, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.