Nightingale, Kath
Taxation
Prentice-Hall, 2002
Buku Teks
Taxation
edited by Emile Woolf
Pitman, 1986
Buku Teks SO
The burden of Rhinitis and Rhinoconjunctivitis in adolescents
Artikel Jurnal
Stout, Hiram Miller
British government
Oxford University Press, 1953
Buku Teks SO
Williams, Basil
The British empire
Oxford University, 1945
Buku Klasik