Glos, Raymond E., author
South-Western Publishing, 1967
Buku Teks
Glos, Raymond E., author
South-Western Publishing, 1963
Buku Teks
Freund, John E., author
Prentice-Hall, 1974
Buku Teks
Nellen, Annette, author
Prentice-Hall, 1999
Buku Teks
Mewborn, Ancel C., author
Addison-Wesley, 1969
Buku Teks