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