William K. Hodson, editror-in-chief
McGraw-Hill, 1992
Buku Referensi
Palmer, Marilyn, author
English Heritage, 2012
Buku Teks
edited by Robert U. Ayres and Leslie W. Ayres
Edward Elgar Publishing, 2001
Buku Referensi
edited by Albert Parker
McGraw-Hill, 1978
Buku Referensi
edited by Gavriel Salvendy
John Wiley & Sons, 1991
Buku Referensi