Roth, S. L. (2004). Hard hat area (1st U.S. ed.). Bloomsbury Children's Books.
Chicago Style (17th ed.) CitationRoth, Susan L. Hard Hat Area. 1st U.S. ed. New York: Bloomsbury Children's Books, 2004.
MLA引文Roth, Susan L. Hard Hat Area. 1st U.S. ed. Bloomsbury Children's Books, 2004.
警告：這些引文格式不一定是100％准確.