Gaya APA

Chiff, P, D, S., Downes, J. (2007). Crash Proof : How To Profit From the Coming Economic Collapse (Ed 1). New Jersey: John Wiley & Sons.

Gaya MLA

Chiff, Peter, D., S., Downes, John. "Crash Proof : How To Profit From the Coming Economic Collapse". Ed 1 New Jersey: John Wiley & Sons, 2007. .