Surya Dharma, author
Pustaka Pelajar, 2005
Buku Teks
Waluyo, author
Mandar Maju, 2007
Buku Teks
Gatot Mardiwasisto, author
1986
UI - Skripsi (Membership)
Halff, John F., author
Bhratara, 1971
Buku Teks
Hitt, Michael A., author
West Publishing Company, 1989
Buku Teks