APA aipamena

Lewis, N. (2007). Gold: The once and future money. Hoboken, N.J: John Wiley & Sons.

Chicago Style aipamena

Lewis, Nathan. Gold: The Once and Future Money. Hoboken, N.J: John Wiley & Sons, 2007.

MLA aipamena

Lewis, Nathan. Gold: The Once and Future Money. Hoboken, N.J: John Wiley & Sons, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.