APA(7版)引用形式
ebrary, Inc, & Carvalho, W. M. (2009). U.S. coins: The price of a penny. Nova Science Publishers.
Chicagoスタイル(17版)引用形式
ebrary, Inc, , Walter M. Carvalho. U.S. Coins: The Price of a Penny. New York: Nova Science Publishers, 2009.
MLA(9版)引用形式
ebrary, Inc, , Walter M. Carvalho. U.S. Coins: The Price of a Penny. Nova Science Publishers, 2009.
警告: この引用は必ずしも正確ではありません.