Cita APA

Heckel, P. (1984). Elements friendly software design. A Warner Communications Company.

Chicago Edition Citation

Heckel, Paul. Elements Friendly Software Design. USA: A Warner Communications Company, 1984.

Cita MLA

Heckel, Paul. Elements Friendly Software Design. A Warner Communications Company, 1984.

Atenció: Aquestes cites poden no estar 100% correctes.