Cita APA (7th ed.)

MacDonald, J. Successful People Skills in a Week: A Teach Yourself Guide. McGraw-Hill.

Cita Chicago (17th ed.)

MacDonald, John. Successful People Skills in a Week: A Teach Yourself Guide. McGraw-Hill.

Cita MLA (8th ed.)

MacDonald, John. Successful People Skills in a Week: A Teach Yourself Guide. McGraw-Hill.