Gaya APA
Borland, . (1990).
Turbo Pascal User's Guide Programmer's Guide (Pertama).
USA:
BORLAND INTERNATINAL INC.
Gaya MLA
Borland, .
"Turbo Pascal User's Guide Programmer's Guide".
Pertama
USA:
BORLAND INTERNATINAL INC,
1990.
Text Book Informatika.