Hermalin, A. I. (2003). Family planning impact evaluation: The evolution of techniques. Universidad de Costa Rica.
Citazione stile Chigago Style (17a edizione)Hermalin, Albert I. Family Planning Impact Evaluation: The Evolution of Techniques. Universidad de Costa Rica, 2003.
Citatione MLA (9a ed.)Hermalin, Albert I. Family Planning Impact Evaluation: The Evolution of Techniques. Universidad de Costa Rica, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.