Kopp. Hoptopia. University of California Press.
Chicago Style (17th ed.) CitationKopp. Hoptopia. University of California Press.
MLA引文Kopp. Hoptopia. University of California Press.
警告：這些引文格式不一定是100％准確.
APA引文
Kopp. Hoptopia. University of California Press.
Chicago Style (17th ed.) CitationKopp. Hoptopia. University of California Press.
MLA引文Kopp. Hoptopia. University of California Press.