Gaya APA

Parrett, W, G. (2007). The Sentinel CEO : perspectives on security, risk, and leadership in a post-9/11 world / William G. Parrett . New Jersey: John Wiley \r Sons.

Gaya MLA

Parrett, William, G.. "The Sentinel CEO : perspectives on security, risk, and leadership in a post-9/11 world / William G. Parrett". New Jersey: John Wiley \r Sons, 2007. Buku.