APA引文

Duffy, T. (1993). Tool kit DOS 5.0. Wadsworth.

芝加哥风格引文

Duffy, Tim. Tool Kit DOS 5.0. Belmont: Wadsworth, 1993.

MLA引文

Duffy, Tim. Tool Kit DOS 5.0. Wadsworth, 1993.

警告：这些引文格式不一定是100％准确.