Gaya APA

Shiveley, J, M., Vanfossen, P, J. (2001). Using Internet Primary Sources to Teach Critical Thinking Skills in Government, Economics, and Contemporary World Issues . Westport: Greenwood Press.

Gaya MLA

Shiveley, James, M.., Vanfossen, Phillip, J.. "Using Internet Primary Sources to Teach Critical Thinking Skills in Government, Economics, and Contemporary World Issues". Westport: Greenwood Press, 2001. Text.