APA (7th ed.) Zitazioa
Yeoman, R. The Official Red Book of United States Coins 1980: A Guide Book of United States Coins : Fully Illustrated Catalog and Valuation List, 1616 to Date. Western Publishing Company.
Chicago Style (17th ed.) Zitazioa
Yeoman, R.S. The Official Red Book of United States Coins 1980: A Guide Book of United States Coins : Fully Illustrated Catalog and Valuation List, 1616 to Date. Racine, EUA: Western Publishing Company.
MLA (9th ed.) Zitazioa
Yeoman, R.S. The Official Red Book of United States Coins 1980: A Guide Book of United States Coins : Fully Illustrated Catalog and Valuation List, 1616 to Date. Western Publishing Company.
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