edited by David A. Preston
John Wiley & Sons, 1980
Buku Teks SO
edited by Ivonne Audirac
John Wiley and Sons, 1997
Buku Teks SO
Lancaster, Lane W.
Van Nostrand Reinhold, 1952
Buku Teks
edited by Philip Lowe, Terry Marsden, Sarah Whatmore
David Fulton, 1990
Buku Teks SO
Davidson, Joan
Pergamon Press, 1977
Buku Teks SO