Cita APA (7th ed.)

Barnabas, B. (1984). Develop your power to deal with people. Parker Publishing.

Cita Chicago (17th ed.)

Barnabas, Bentley. Develop Your Power to Deal with People. India: Parker Publishing, 1984.

Cita MLA (8th ed.)

Barnabas, Bentley. Develop Your Power to Deal with People. Parker Publishing, 1984.