Cita APA

Punch, K. F., & Oancea, A. (2014). Introduction to research methods in education (2nd ed.). Sage Publications.

Chicago Edition Citation

Punch, Keith F., i Alis Oancea. Introduction to Research Methods in Education. 2nd ed. New Delhi: Sage Publications, 2014.

Cita MLA

Punch, Keith F., i Alis Oancea. Introduction to Research Methods in Education. 2nd ed. Sage Publications, 2014.