Lua APA (7ú heag.)
Katz, J., & Holmes, F. (2008). The goldwatcher: Demystifying gold investing. John Wiley.
Lua i Stíl Chicago (17ú heag.)
Katz, John, agus Frank Holmes. The Goldwatcher: Demystifying Gold Investing. Hoboken, NJ: John Wiley, 2008.
Lua MLA (9ú heag.)
Katz, John, agus Frank Holmes. The Goldwatcher: Demystifying Gold Investing. John Wiley, 2008.
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