APA引文

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.

MLA引文

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

警告：這些引文格式不一定是100％准確.