edited by George J. McCall, J.L. Simmons.
Random House, 1969
Buku Teks
edited by Colin Jerolmack and Shamus Khan
Oxford University Press, 2018
Buku Teks
Laily Suharlina Mahalli, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2000
UI - Tesis (Membership)
Kirk, Jerome
Sage Publications, 1989
Buku Teks
edited by Peter Reason, Hilary Bradbury
Sage , 2013
Buku Referensi