Gaya APA

Low, T, E, A. (2011). American Government ; power and purpose (core 11 th edition 2010 Election Update). New York: W.W oton & Company.

Gaya MLA

Low, Theodore, Et., All. "American Government ; power and purpose". core 11 th edition 2010 Election Update New York: W.W oton & Company, 2011. Ilmu Hukum.