Atterbury, Paul
Hurtwood Press, 1985
Buku Teks
Wheatley, Paul
University Of Malaya Press, 1961
Buku Teks
Chalfant, H. Paul
West Publishing Company, 1988
Buku Teks
Palgrave, Francis Turner
Walter J. Black Inc, 1932
Buku Teks
James, Henry, 1843-1916
Random House, 1994
Buku Referensi