Hartono
Rineka Cipta, 1992
Buku Teks
Harseno
[publisher not identified], [date of publication not identified]
Buku Teks
Artikel Jurnal
Sinaga, Bintatar
Universitas Indonesia, 1993
UI - Tesis (Membership)
Hendrastuti A.C.
2000
UI - Skripsi (Membership)