Citace podle APA (7th ed.)

Rothwell, P. (2006). Factors that can affect the external validity of randomised controlled trials.

Citace podle Chicago (17th ed.)

Rothwell, P. Factors That Can Affect the External Validity of Randomised Controlled Trials. 2006.

Citace podle MLA (9th ed.)

Rothwell, P. Factors That Can Affect the External Validity of Randomised Controlled Trials. 2006.

Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..