Gaya APA

joyce, W. (s.a). What (really) works: the 4+2 formula for sustained business success (cetakan 1). s.l: HarperBusiness.

Gaya MLA

joyce, Wiliam. "What (really) works: the 4+2 formula for sustained business success". cetakan 1 s.l: HarperBusiness, s.a. Text.