APA Style
Mortel, R. (1989).
Turbo C User’s Guide — Version 2.0 .
Manila, Philippines:
Pernick Printing Corp. (Philippine edition).
MLA Style
Mortel, R..
"Turbo C User’s Guide — Version 2.0".
Manila, Philippines:
Pernick Printing Corp. (Philippine edition),
1989.
Text.