Anta Maulana Nasution
Indonesia Defense University, 2018
Artikel Jurnal
editors, David A. Elizondo, Agusti Solanas, Antoni Martınez-Balleste
Springer, 2012
eBooks
Andrew Millie, Dilip K. Das, editor
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Berg, Bruce Lawrence, 1954-
Allyn and Bacon, 1992
Buku Teks
Coffey, Alan R.
Prentice-Hall, 1990
Buku Teks