Gaya APA

ROUGHT, E., Hoops, T. (1988). Turbo Pascal 4.0 Developer Library . Amerika: HOWARD W. SAMS & COMPANY.

Gaya MLA

ROUGHT, Edward., Hoops, Thomas. "Turbo Pascal 4.0 Developer Library". Amerika: HOWARD W. SAMS & COMPANY, 1988. UMUM.