Nikolaos Tzifakis, editor
[Springer, ], 2012
eBooks
Lerche, Charles O., Jr., author
Oxford University Press, 1956
Buku Teks
Nau, Henry R., 1941-, author
SAGE Publications, 2019
Buku Teks
Sharp, Walter R.
Rinehart, 1944
Buku Teks
Mansbach, Richard W., author
Houghton Miffiln, 2000
Buku Teks