APA引文

(1997). Biodirectory. Belgium: Parmacia Biotech.

Trích dẫn kiểu Chicago

Biodirectory. Belgium: Parmacia Biotech, 1997.

MLA引文

Biodirectory. Belgium: Parmacia Biotech, 1997.

警告：这些引文格式不一定是100％准确.