Smith, Michael Sharwood, 1942-, author
Cambridge University Press, 2017
Buku Teks
Hawkins, John A.
Basil Black Well , 1988
Buku Teks
Mitchell, Rosamond, author
Arnold, 1998
Buku Teks
Hoff, Erika, 1951-, author
Wadsworth, 2005
Buku Teks
Hoff, Erika, 1951-, author
Wadsworth and Cengage Learning, 2014
Buku Teks