Gaya APA

Kotter, J., Rathgeber, H. (2005). Our iceberg is melting : changing and succeeding under any conditions . New York: St Martins Press.

Gaya MLA

Kotter, John., Rathgeber, Holger. "Our iceberg is melting : changing and succeeding under any conditions". New York: St Martins Press, 2005. Buku/Printed Material.