Stanton, Hazel M.
The University , Iowa City, 1930
Buku Klasik
Mugiarsih CH., Widodo, author
1995
UI - Tesis (Membership)
Andryano, author
2019
UI - Skripsi (Membership)
Hughes, Arthur
Cambridge University Press, 1994
Buku Teks
Davies, Alan, 1931 February 17-, author
Basil Blackwell, 1990
Buku Teks