Malnar, Joy Monice, author
University of Minnesota Press, 2004
Buku Teks
Reese, Nancy Berryman, author
Elsevier Saunder, 2012
Buku Teks
Pink, Sarah, author
SAGE, 2015
Buku Teks
edited by Friedrich G. Barth, Patrizia Giampieri-Deutsch, Hans-Dieter Klein
Springer, 2012
eBooks
Martin, Graham R.
Oxford University Press, 2017
eBooks