Thomas Hegghammer, editor
Cambridge University Press, 2017
Buku Teks
Hegghammer, Thomas, author
Cambridge University Press, 2017
eBooks
Riggs, James L., author
McGraw-Hill, 1974
Buku Teks
Trecker, Harleigh B., author
Association Press, 1967
Buku Teks
Wolfgang G. Weber, Michael Thomas, Annette Ostendorf, Lynne Chisholm, editors
[Springer, ], 2012
eBooks