Gaya APA

Friedman, M, J. (2009). Outline Of The U.S. Economy 2009 Edition (Pertama). U.S. Department Of State: Bureu Of International Information Programs United States Department Of State.

Gaya MLA

Friedman, Michael, Jay. "Outline Of The U.S. Economy 2009 Edition". Pertama U.S. Department Of State: Bureu Of International Information Programs United States Department Of State, 2009. Text.