Cita APA (7th ed.)

Feibel, W. (1991). Turbo Pascal 6 DiskTutor (2nd ed.). Osborne McGraw-Hill.

Cita Chicago (17th ed.)

Feibel, Werner. Turbo Pascal 6 DiskTutor. 2nd ed. Berkeley: Osborne McGraw-Hill, 1991.

Cita MLA (9th ed.)

Feibel, Werner. Turbo Pascal 6 DiskTutor. 2nd ed. Osborne McGraw-Hill, 1991.