APA citiranje

Tomlinson, S. (2007). Thinkwell's economics. [Austin, Tex.]: Thinkwell.

Trích dẫn kiểu Chicago

Tomlinson, Steven. Thinkwell's Economics. [Austin, Tex.]: Thinkwell, 2007.

MLA citiranje

Tomlinson, Steven. Thinkwell's Economics. [Austin, Tex.]: Thinkwell, 2007.