Gaya APA

Zook, C., Allen, J. (2010). Profit From The Core : a return to growth in turbulent times (Update Edition). United States of America: Bain & Company, INC..

Gaya MLA

Zook, Chris., Allen, James. "Profit From The Core : a return to growth in turbulent times". Update Edition United States of America: Bain & Company, INC., 2010. Text.