APA način citiranja

Nkwake, A. M. (2020). Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing.

Čikaški stil citiranja

Nkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.

MLA način citiranja

Nkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.