APA引文

Tatnall, A. (2004). Web portals: The new gateways to internet information and services. Hersley, PA: IGP.

Trích dẫn kiểu Chicago

Tatnall, Arthur. Web Portals: The New Gateways to Internet Information and Services. Hersley, PA: IGP, 2004.

MLA引文

Tatnall, Arthur. Web Portals: The New Gateways to Internet Information and Services. Hersley, PA: IGP, 2004.

警告：這些引文格式不一定是100％准確.