Cita APA (7th ed.)

HESKETT J L. (1990). SERVICSE BREAK THROUGH. MAC MILLAN.

Cita Chicago (17th ed.)

HESKETT J L. SERVICSE BREAK THROUGH. NEW YORK: MAC MILLAN, 1990.

Cita MLA (9th ed.)

HESKETT J L. SERVICSE BREAK THROUGH. MAC MILLAN, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.