Gaya APA

Viotti, P, R., Kauppi, M, V. (1990). International relation theory : realism, pluralism, globalism . New York: Macmillan.

Gaya MLA

Viotti, Paul, R.., Kauppi, Mark, V.. "International relation theory : realism, pluralism, globalism". New York: Macmillan, 1990. Text.