Cita APA (7a ed.)

Hennefeld, J. O. (1989). Using Turbo Pascal 3.0, 4.0, and 5.0. PWS-Kent.

Cita Chicago Style (17a ed.)

Hennefeld, Julien O. Using Turbo Pascal 3.0, 4.0, and 5.0. Boston: PWS-Kent, 1989.

Cita MLA (9a ed.)

Hennefeld, Julien O. Using Turbo Pascal 3.0, 4.0, and 5.0. PWS-Kent, 1989.