Cita APA (7a ed.)
Riddle, D. F. (1991). Programming in Pascal. Dellen Publishing Company.
Cita Chicago Style (17a ed.)
Riddle, Douglas F. Programming in Pascal. San Francisco: Dellen Publishing Company, 1991.
Cita MLA (9a ed.)
Riddle, Douglas F. Programming in Pascal. Dellen Publishing Company, 1991.
Precaución: Estas citas no son 100% exactas.