APA引文

Walden, I. (2001). E-Commerce Law and Practice in Europe. ELSEVIER.

芝加哥风格引文

Walden, Ian. E-Commerce Law and Practice in Europe. ELSEVIER, 2001.

MLA引文

Walden, Ian. E-Commerce Law and Practice in Europe. ELSEVIER, 2001.

警告：这些引文格式不一定是100％准确.