edited by Andrew Blowers, Chris Hammett and Philip Sarre
Hutchinson Educational in association with the Open University Press, 1974
Buku Teks SO
by Catherine Bauer ... [et al.] ; edited by Coleman Woddbury
University of Chicago Press, 1953
Buku Teks SO
by Catherine Bauer [and others]; edited by Coleman Woodbury
The University of Chicago Press, 1953
Buku Teks SO
University Toronto, 1977
Buku Teks SO
Barlow, Mike
John Wiley & Sons, 2019
Buku Teks SO