APA Alıntı

Shorter, G. W., & Ferry, F. (2013). Recruitment and retention in internet based randomised trials. BioMed Central.

Chicago Stili Alıntı

Shorter, Gillian W., ve Finola Ferry. Recruitment and Retention in Internet Based Randomised Trials. BioMed Central, 2013.

MLA Alıntı

Shorter, Gillian W., ve Finola Ferry. Recruitment and Retention in Internet Based Randomised Trials. BioMed Central, 2013.

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