Powers. Zayd. University of Pennsylvania Press.
Chicago Style (17th ed.) CitationPowers. Zayd. University of Pennsylvania Press.
MLA引文Powers. Zayd. University of Pennsylvania Press.
警告：這些引文格式不一定是100％准確.
APA引文
Powers. Zayd. University of Pennsylvania Press.
Chicago Style (17th ed.) CitationPowers. Zayd. University of Pennsylvania Press.
MLA引文Powers. Zayd. University of Pennsylvania Press.