edited by Ann Swarbrick
Routledge, 1994
Buku Teks SO
edited by Frank M. Grittner
National Textbook, 1975
Buku Teks SO
Allen, Edward David, 1923-
Harcourt Brace Jovanovich, c1977
Buku Teks SO
Levin, Lennart
Almqvist och Wiksell, 1972
Buku Teks SO
Colosimo, Wanda D’Addio
Zanichelli, 1974
Buku Teks SO