Schiff, P. D. (2007). Crash ProofHow to Profit from the coming economic collapse. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Schiff, Peter D. Crash ProofHow to Profit from the Coming Economic Collapse. John Wiley & Sons, 2007.
Lua MLA (8ú heag.)Schiff, Peter D. Crash ProofHow to Profit from the Coming Economic Collapse. John Wiley & Sons, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.