Gaya APA

Bertsch, G, K. et al (1986). Comparing Political Systems: Power and Policy in Three World (3rd.Ed). New York City: Macmillan Publishers.

Gaya MLA

Bertsch, Gary, K.. et al. "Comparing Political Systems: Power and Policy in Three World". 3rd.Ed New York City: Macmillan Publishers, 1986. Text.