Barnabas, B. (1984). Develop your power to deal with people. Parker Publishing.
Style de citation Chicago (17e éd.)Barnabas, Bentley. Develop Your Power to Deal with People. India: Parker Publishing, 1984.
Style de citation MLA (8e éd.)Barnabas, Bentley. Develop Your Power to Deal with People. Parker Publishing, 1984.
Attention : ces citations peuvent ne pas être correctes à 100%.