周哲 & 陈盛. (2012). 力和引力: Force and gravity. 人民武警出版社.
Chicago Style aipamena周哲 and 陈盛. 力和引力: Force and Gravity. 人民武警出版社, 2012.
MLA aipamena周哲 and 陈盛. 力和引力: Force and Gravity. 人民武警出版社, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena