Gaya APA

Sills, D, L. (1972). International Encylopedia Of The Social Sciences: Volume 11 and 12 (Vol. 11 and 12). London: The Macmillan Company & The Free Press.

Gaya MLA

Sills, David, L.. "International Encylopedia Of The Social Sciences: Volume 11 and 12". Vol. 11 and 12 London: The Macmillan Company & The Free Press, 1972. Buku.