Priscilla Dunk-West, Trish Hafford-Letchfield, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks
Christopher, Elphis, author
Temple Smith, 1980
Buku Teks
Shaw, Ian, author
Sage, 2001
Buku Teks
Rubin, Ellen, author
Brooks/Cole, 1993
Buku Teks
edited by Norman A. Polansky
University of Chicago Press, 1962
Buku Teks