Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Thomas Santoso, author
Pustaka Utan Kayu, 2002
Buku Teks SO
Smith, Huston, author
Serat Alam Media, 2015
Buku Teks SO
Harun Nasution...[et al.]; editor, Saiful Mujani dan Arief Subhan
Depdikbud, 1995
Buku Teks SO