edited by Ann Swarbrick
Routledge, 1994
Buku Teks
National Textbook, 1975
Buku Teks
Allen, Edward D.
Harcourt Brace Jovanovich, [Date of publication not identified]
Buku Teks
Levin, Lennart
Almqvist och Wiksell, 1972
Buku Teks
Colosimo, Wanda D’Addio
Zanichelli, 1974
Buku Teks