Cita APA (7th ed.)

PANCERO JIM. (2006). YOU CAN ALWAYS SELL MORE: HOW TO IMPROVE ANY SALES. JOHN WILEY & SONS.

Cita Chicago (17th ed.)

PANCERO JIM. YOU CAN ALWAYS SELL MORE: HOW TO IMPROVE ANY SALES. NEW JERSEY: JOHN WILEY & SONS, 2006.

Cita MLA (9th ed.)

PANCERO JIM. YOU CAN ALWAYS SELL MORE: HOW TO IMPROVE ANY SALES. JOHN WILEY & SONS, 2006.