edited by J.R. Harris
IRL Press, Oxford:
Buku Teks
edited by Larry Kevan, Robert N. Schwartz
John Wiley & Sons, 1979
Buku Teks
edited by Jack D. Griffith
John Wiley & Sons, 1982
Buku Teks
Sergey Kshevetsky, author
TASK, 2017
Artikel Jurnal
Loretto, M.H.,author
Chapman & Hall, 1994
Buku Teks