Minkin, Barry Howard, author
Macmillan, 1995
Buku Teks
Parker, Jerald D., author
Addison-Wesley, 1974
Buku Teks
Beatty, Bill
Cassell Australia, 1969
Buku Teks
Beatty, Bill
Cassell Australia, 1967
Buku Teks
Tillery, Bill W., author
McGraw-Hill, 2012
Buku Teks