Gaya APA

Schoemaker, P, J., Gunther, R, E. (2002). Profiting from uncertainty : strategies for succeeding no matter what the future brings . New York: Free Press.

Gaya MLA

Schoemaker, Paul, J.H.., Gunther, Robert, E.. "Profiting from uncertainty : strategies for succeeding no matter what the future brings". New York: Free Press, 2002. Buku/Printed Material.