Gill, Richard T. (Richard Thomas), 1927-2010, author
Prentice-Hall, 1967
Buku Teks
Gherity, James A.
Random House, , 1965
Buku Teks
Ellis, Howard S., author
Richard D. Irwin, 1957
Buku Teks
M. Djuhari Wirakartakusumah, author
Departemen Pendidikan dan Kebudayaan, 1998
Buku Teks
Stark, W.
Broadway House, 1957
Buku Teks
Stark, W.
Kegan Paul, Trench, Trubner & Co,LTD, 1945
Buku Teks