Smith, George P., author
Taylor and Francis, 1996
Buku Teks
Smith, George P., author
Taylor and Francis, 1996
Buku Teks
edited by Tom Sorell
Routledge, 1998
Buku Teks
Harold W. Baillie, John McGeehan, Thomas M. Garrett, Rosellen M. Garrett
Pearson, 2013
Buku Teks
Hall, George M., author
Warren H. Green, 1992
Buku Teks