Aimee Dawis
Gramedia Pustaka Utama, 2010
Buku Teks SO
Dana K. Anwari SB
Orayta, [date of publication not identified]
Buku Teks SO
Priyanto Wibowo
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2002
UI - Laporan Penelitian
Muaja, A.J.
New Nusantara Publishing Coy, [date of publication not identified]
Buku Teks SO
Muaja, A.J.
New Nusantara Publishing Coy, 1958
Buku Teks SO