Cita APA (7th ed.)

Grogono, P. (1984). Programming in PASCAL (2nd ed.). National Book Store.

Cita Chicago (17th ed.)

Grogono, Peter. Programming in PASCAL. 2nd ed. Manila: National Book Store, 1984.

Cita MLA (9th ed.)

Grogono, Peter. Programming in PASCAL. 2nd ed. National Book Store, 1984.