Style de citation APA (7e éd.)

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.