Chow, S., Shao, J., Wang, H., & Lokhnygina, Y. (2017). Sample size calculations in clinical research (Third edition.). Taylor & Francis.
Chicago-viite (17. p.)Chow, Shein-Chung, Jun Shao, Hansheng Wang, ja Yuliya Lokhnygina. Sample Size Calculations in Clinical Research. Third edition. Boca Raton: Taylor & Francis, 2017.
MLA-viite (8. p.)Chow, Shein-Chung, et al. Sample Size Calculations in Clinical Research. Third edition. Taylor & Francis, 2017.
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