Coico, Richard
Wiley-Blackwell, 2015
Buku Teks SO
Subowo
Sagung Seto, 2021
Buku Teks SO
Abdul Azis
1999
UI - Skripsi Membership
edited by Maurice R.G. O'Gorman, Albert D. Donnenberg
CRC Press, 2008
Buku Referensi
by David K. Male [and others]
Elsevier Sanders, 2013
Buku Teks SO