Philadelphia : Current History Inc.
Majalah, Jurnal, Buletin
Chicago : The University of Chicago Press
Majalah, Jurnal, Buletin
Mosby Year Book, 1991
Buku Teks
Gross, Gerhard, editor
[, Springer], 2012
eBooks
M. Siddik Gumus, author
Hakikat Kitabevi, 1993
Buku Teks