edited by Tom Sorell
Routledge, 1998
Buku Teks
Hall, George M., author
Warren H. Green, 1992
Buku Teks
Harold W. Baillie, John McGeehan, Thomas M. Garrett, Rosellen M. Garrett
Pearson, 2013
Buku Teks
Editor: Souzy Dracopoulou
Routledge, 1998
Buku Teks
Garrett, Thomas M., author
Prentice-Hall, 2001
Buku Teks