APA引文

Youssef,Leon A. (1975). System Analysis and Design. Reston Publishings.

Chicago Edition Citation

Youssef,Leon A. System Analysis and Design. Reston Publishings, 1975.

MLA引文

Youssef,Leon A. System Analysis and Design. Reston Publishings, 1975.

警告：这些引文格式不一定是100％准确.