APA引文

(1995). Virtus VRML toolkit. Indianapolis, Indiana: Hayden Books.

Trích dẫn kiểu Chicago

Virtus VRML Toolkit. Indianapolis, Indiana: Hayden Books, 1995.

MLA引文

Virtus VRML Toolkit. Indianapolis, Indiana: Hayden Books, 1995.

警告:这些引文格式不一定是100%准确.