Scheier, Mary Ann
Sage Publications, 1981
Buku Teks
Healy, Karen, author
Palgrave Macmillan, 2005
Buku Teks
Gould, Nick, author
Routledge, 2016
Buku Teks
Muh. Iqbal Latief, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Tesis (Membership)
Trecker, Harleigh B., author
Association Press, 1971
Buku Teks