Bhushan, Bharat, author
McGraw-Hill, 1991
Buku Teks
Anderson, J. M., editor
CAB International, 1993
Buku Referensi
edited by Ejup N. Ganic, Tyler G. Hicks
McGraw-Hill, 1991
Buku Teks
Strauss, Howard J., author
McGraw-Hill, 1976
Buku Referensi
edited by Tracey Epps, Michael J. Trebilcock
UK Edward Elgar, 2013
Buku Teks