Reni Winata
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1990
UI - Tesis Membership
Wilding, Michael
University of Queensland Press, 1972
Buku Teks
Watt, Mildred
The Hawthorn Press, 1972
Buku Teks
Ronan, Tom
Lloyd O'Neil, 1972
Buku Teks
Upfal, Annette
Hanuman Publishing, 1989
Buku Teks