Gaya APA

Clash, J, M. (2003). Forbes to the limits : pushing yourself to the edge in adventure and in business / James M. Clash . New Jersey: John Wiley \r Sons, Inc..

Gaya MLA

Clash, James, M.. "Forbes to the limits : pushing yourself to the edge in adventure and in business / James M. Clash". New Jersey: John Wiley \r Sons, Inc., 2003. Buku.