Cita APA (7th ed.)

RIES AL. (2004). ORIGIN OF BRANDS: DISCOVER THE NATURAL LAW. HARPER BUSINESS.

Cita Chicago (17th ed.)

RIES AL. ORIGIN OF BRANDS: DISCOVER THE NATURAL LAW. NEW YORK: HARPER BUSINESS, 2004.

Cita MLA (9th ed.)

RIES AL. ORIGIN OF BRANDS: DISCOVER THE NATURAL LAW. HARPER BUSINESS, 2004.