(1991). № 6-12. 1991.
Chicago Style (17th ed.) Citation№ 6-12. 1991, 1991.
MLA引文№ 6-12. 1991, 1991.
警告：這些引文格式不一定是100％准確.
APA引文
(1991). № 6-12. 1991.
Chicago Style (17th ed.) Citation№ 6-12. 1991, 1991.
MLA引文№ 6-12. 1991, 1991.