Herrin, A. N. (1984). Assessing the impact of development programs: Principles and applications. School of Economics, University of the Philippines.
Citazione stile Chigago Style (17a edizione)Herrin, Alejandro N. Assessing the Impact of Development Programs: Principles and Applications. Quezon City: School of Economics, University of the Philippines, 1984.
Citatione MLA (9a ed.)Herrin, Alejandro N. Assessing the Impact of Development Programs: Principles and Applications. School of Economics, University of the Philippines, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.