Cita APA (7th ed.)

ROBERTSON KELLEY. (2002). STOP, ASK AND LISTEN: HOW TO WELCOME YOUR..............SALES. MACMILLAN.

Cita Chicago (17th ed.)

ROBERTSON KELLEY. STOP, ASK AND LISTEN: HOW TO WELCOME YOUR..............SALES. NEW DELHI: MACMILLAN, 2002.

Cita MLA (9th ed.)

ROBERTSON KELLEY. STOP, ASK AND LISTEN: HOW TO WELCOME YOUR..............SALES. MACMILLAN, 2002.