Nababan, Sri Utari Subyakto, author
Gramedia, 1993
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Klasik
Routledge, 2004
Buku Teks
Ag. Bambang Setiyadi, author
Graha Ilmu, 2018
Buku Teks
McArthur, Tom (Thomas Burns), author
Oxford University Press, 1983
Buku Teks