Harbison, Samuel P., author
Prentice-Hall, 1995
Buku Referensi
Garrison, Catherine, author
Reading, Mass Addison-Wesley Publishing Co , 1989
Buku Teks
Lotus, [date of publication not identified]
Buku Teks
edited by Thomas van Raalte
O`Reilly, 1990
Buku Teks
Guillermo Arbona ... [et al.]; editor, E. Croft Long
Duke University Press, 1965
Buku Teks