Gaya APA

Hess, E, D., Liedtka, J. (2012). Physics of business growth : mindset, system, and processes . California: Stanford Univ Press.

Gaya MLA

Hess, Edward, D.., Liedtka, Jeanne. "Physics of business growth : mindset, system, and processes". California: Stanford Univ Press, 2012. Buku/Printed Material.