Dobrin, Milton Burnett, author
McGraw-Hill, 1976
Buku Teks
Dobrin, Milton Burnett, author
McGraw-Hill, 1988
Buku Teks
Greene, Graham, author
Everyman's Library, 1993
Buku Teks
McAlester, Arcie Lee, 1933-, author
Prentice-Hall, 1973
Buku Teks
Meriam, J. L. (James L.), author
John Wiley & Sons, 1966
Buku Teks