Tohutoro APA (7th ed.)
ebrary, Inc, & Carvalho, W. M. (2009). U.S. coins: The price of a penny. Nova Science Publishers.
Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, me Walter M. Carvalho. U.S. Coins: The Price of a Penny. New York: Nova Science Publishers, 2009.
Tohutoro MLA (9th ed.)
ebrary, Inc, me Walter M. Carvalho. U.S. Coins: The Price of a Penny. Nova Science Publishers, 2009.
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