Lipschutz, Ronnie D.
Routledge, Taylor & Francis Group, 2006
Buku Teks
edited by Jonathan Xavier Inda
Blackwell, 2005
eBooks
Lane, Jan-Erik
Ashgate, 2006
Buku Teks
Andrew Hurrell, Ngaire Woods, Satria Utama S., Diana Arimbi
Fakultas Ekonomi UI, 2001
Buku Teks
Wiarda, Howard J.
Hartcourt College Publishers, 2001
Buku Teks