Grinnell, Richard M., author
Oxford University Press, 2018
Buku Teks
edited by Hussein Hassan Soliman
Routledge, 2013
Buku Teks
edited by Norman A. Polansky
University of Chicago Press, 1962
Buku Teks
edited by Mona Livholts and Lia Bryant
Routledge, 2017
Buku Teks
Cournoyer, Barry R., author
Brooks/Cole Cengage Learning, 2011
Buku Teks