Campilan, D. M. (1998). Tracking history in progress: Monitoring and evaluating social change. Diliman Review.
Cita Chicago (17th ed.)Campilan, Dindo M. "Tracking History in Progress: Monitoring and Evaluating Social Change." Diliman Review 1998.
Cita MLA (9th ed.)Campilan, Dindo M. "Tracking History in Progress: Monitoring and Evaluating Social Change." Diliman Review, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.