Green, J. (2018). Qualitative methods for health research (4th edition.). Bristish: Sage.
Trích dẫn theo kiểu ChicagoGreen, Judith. Qualitative Methods for Health Research. 4th edition. Bristish: Sage, 2018.
Trích dẫn MLAGreen, Judith. Qualitative Methods for Health Research. 4th edition. Bristish: Sage, 2018.
Cảnh báo! Những trích dẫn này có thể không chính xác 100%.