Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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