Cita APA (7th ed.)

Chow, S., Shao, J., Wang, H., & Lokhnygina, Y. (2017). Sample size calculations in clinical research (Third edition.). Taylor & Francis.

Cita Chicago (17th ed.)

Chow, Shein-Chung, Jun Shao, Hansheng Wang, i Yuliya Lokhnygina. Sample Size Calculations in Clinical Research. Third edition. Boca Raton: Taylor & Francis, 2017.

Cita MLA (8th ed.)

Chow, Shein-Chung, et al. Sample Size Calculations in Clinical Research. Third edition. Taylor & Francis, 2017.