Gaya APA

Sills, D, L. (1972). International Encyclopedia Of The Social Sciences: Volume 15, 16, 17 (Vol. 15, 16, 17). London: The Macmillan Company & The Free Press.

Gaya MLA

Sills, David, L.. "International Encyclopedia Of The Social Sciences: Volume 15, 16, 17". Vol. 15, 16, 17 London: The Macmillan Company & The Free Press, 1972. Buku.