Altrocchi, John
HArcourt Brace Jovenovich, 1980
Buku Teks
Hartley, John, author
Routledge, 1995
Buku Teks
Hartley, John, author
Routledge, 1992
Buku Teks
Terraine, John
Macmillan, 1985
Buku Teks
Moyer, John W.
The Ronald Press Company, 1953
Buku Teks