Riggs, F. W. (1959). The social sciences and public administration. Philippine Journal of Public Administration.
Cita Chicago (17th ed.)Riggs, Fred W. "The Social Sciences and Public Administration." Philippine Journal of Public Administration 1959.
Cita MLA (9th ed.)Riggs, Fred W. "The Social Sciences and Public Administration." Philippine Journal of Public Administration, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.