David Hofstede 5000 Episodes and No Commercials: The Ultimate Guide to TV Shows On DVD, pp. 221, at Google Books "00's Retrospect: Horror Softens Up in 2008".
2017년 2월 11일에 확인함.  David Hofstede 5000 Episodes and No Commercials: The Ultimate Guide to TV Shows On DVD - 구글 도서 “00's Retrospect: Horror Softens Up in 2008”.