Juth, Niklas
Springer, 2012
eBooks
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
Duncan, Peter, author
Sage, 2014
Buku Teks