Cita APA (7a ed.)

Zhao, Z. (2002). Two Essays in Social Program Evaluation. Johns Hopkins University.

Cita Chicago Style (17a ed.)

Zhao, Zhong. Two Essays in Social Program Evaluation. [Erscheinungsort nicht ermittelbar]: Johns Hopkins University, 2002.

Cita MLA (9a ed.)

Zhao, Zhong. Two Essays in Social Program Evaluation. Johns Hopkins University, 2002.