Cita APA (7a ed.)
Conwel, R. H., & Jordan, W. G. (1983). Motivational classics: Three reowned books in one volume. Life management Services.
Cita Chicago Style (17a ed.)
Conwel, Russell H., y William George Jordan. Motivational Classics: Three Reowned Books in One Volume. Life management Services, 1983.
Cita MLA (9a ed.)
Conwel, Russell H., y William George Jordan. Motivational Classics: Three Reowned Books in One Volume. Life management Services, 1983.
Precaución: Estas citas no son 100% exactas.