APA (7th ed.) Citation

Patton, M. Q. (1990). Qualitative evaluation and research methods (2η έκδ.). Sage puplications.

Chicago Style (17th ed.) Citation

Patton, Michael Quinn. Qualitative Evaluation and Research Methods. 2η έκδ. California: Sage puplications, 1990.

MLA (8th ed.) Citation

Patton, Michael Quinn. Qualitative Evaluation and Research Methods. 2η έκδ. Sage puplications, 1990.

Warning: These citations may not always be 100% accurate.