Citazione Stile APA (7a Edizione)

STEINMETZ LAWRENCE L. (2006). HOW TO SELL AT MARGINS HIGHER THAN YOUR COMPETITORS. JOHN WILEY & SONS.

Citazione stile Chigago Style (17a edizione)

STEINMETZ LAWRENCE L. HOW TO SELL AT MARGINS HIGHER THAN YOUR COMPETITORS. NEW JERSEY: JOHN WILEY & SONS, 2006.

Citatione MLA (9a ed.)

STEINMETZ LAWRENCE L. HOW TO SELL AT MARGINS HIGHER THAN YOUR COMPETITORS. JOHN WILEY & SONS, 2006.