Karassik,I J. Pump Hanbook. McGrawhill.
Cita Chicago (17th ed.)Karassik,I J. Pump Hanbook. McGrawhill.
Cita MLA (9th ed.)Karassik,I J. Pump Hanbook. McGrawhill.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)