Dailey, Charles Alvin, 1923-, author
Parker, 1970
Buku Teks
Odiorne, George S., author
WED International, [Date of publication not identified]
Buku Teks
Peel, Malcolm, author
Gramedia Pustaka Utama, 1993
Buku Teks
Sower, Christopher
Free Press, 1957
Buku Teks
Shanks, Bob
Vintage Books, 1977
Buku Teks