Edwards, Ronald S., author
Macmillan, 1961
Buku Teks
Abrahamsen, Martin A., author
McGraw-Hill Book , 1976
Buku Teks
edited by R. Ampalavanar Brown
Routledge, 1996
Buku Teks
Poe, Jerry B., author
Richard D. Irwin, 1974
Buku Teks
Poe, Jerry B., author
Richard D. Irwin, 1986
Buku Teks