Gaya APA
Stevents, R, T., Watkins, C, D. (1991).
Advance Graphics Programming in Turbo Pascal .
Amerika:
Prentice Hall.
Gaya MLA
Stevents, Roger, T.., Watkins, Christopher, D..
"Advance Graphics Programming in Turbo Pascal".
Amerika:
Prentice Hall,
1991.
Text.