Drake, Henry Burgess, author
Oxford University, 1957
Buku Teks
Moulton, William G., author
Modern Language Association of America, 1966
Buku Teks
edited by Valerie Kinsella
Cambridge Uniiversity Press , 1979
Buku Teks
Dwi Muningrum, author
2017
UI - Skripsi (Membership)
Holt, Rinehart and Winston, Inc., 1989
Buku Teks