McGraw-Hill, 1976
Buku Teks
Artikel Jurnal
edited by Mohamed Gad-el-Hak
Cambridge University Press, 2008
Buku Teks
edited by John P. Gray
Academic Press, 1981
Buku Teks
edited by D.F. Barbe ; with contributions by D.F. Barbe ... [et al.]
Springer-Verlag, 1982
Buku Teks