Sills, D. L. (1968). International Encyclopedia of the Social Sciences. Macmillan Company & Free Press.
Chicago-Zitierstil (17. Ausg.)Sills, David L. International Encyclopedia of the Social Sciences. New York [u.a.]: Macmillan Company & Free Press, 1968.
MLA-Zitierstil (8. Ausg.)Sills, David L. International Encyclopedia of the Social Sciences. Macmillan Company & Free Press, 1968.
警告：这些引文格式不一定是100％准确.