Ravetz, Alison
Croom Helm , 1980
Buku Teks
McAuslan, Patrick
Gramedia, 1986
Buku Teks
White, Rodney R., author
John Wiley & Sons, 1994
Buku Teks
Farr, Douglas, author
John Wiley & Sons, 2008
Buku Teks
Tonkiss, Fran, author
Polity Press, 2013
Buku Teks