Cita APA (7th ed.)
Williams, A. Pushing Up People: The Secret behind One of the Most Exciting Success Stories in American Business. Parklake.
Cita Chicago (17th ed.)
Williams, Art. Pushing Up People: The Secret Behind One of the Most Exciting Success Stories in American Business. Doraville, EUA: Parklake.
Cita MLA (9th ed.)
Williams, Art. Pushing Up People: The Secret Behind One of the Most Exciting Success Stories in American Business. Parklake.
Atenció: Aquestes cites poden no estar 100% correctes.