Butwell, R. On the role of political scientists in developing countries. Philippine Political Science Journal.
Citazione stile Chigago Style (17a edizione)Butwell, Richard. "On the Role of Political Scientists in Developing Countries." Philippine Political Science Journal .
Citatione MLA (9a ed.)Butwell, Richard. "On the Role of Political Scientists in Developing Countries." Philippine Political Science Journal, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.