Gaya APA

Stern, C, W., Stalk, G. (1998). Perspectives on strategy from The Boston Consulting Group . New York: John Wiley & Sons.

Gaya MLA

Stern, Carl, W.., Stalk, George. "Perspectives on strategy from The Boston Consulting Group". New York: John Wiley & Sons, 1998. Buku/Printed Material.