Universitas Indonesia, 1998
UI - Skripsi (Membership)
Minton, Steven, author
Kluwer, 1988
Buku Teks
Chiu, Ming-Chuan ... [and others]
Taylor and Francis, 2016
Artikel Jurnal
Schiffman, Susan S., author
Academic Press, 1981
Buku Teks
Pearl, Judea, author
Addison-Wesley Publishing Comp., 1984
Buku Teks