Dyfyniad APA

I. R. Walker. (2012). Reliability in Scientific Research (1.). Cambridge University Press.

Dyfyniad Arddull Chicago

I. R. Walker. Reliability in Scientific Research. 1. Cambridge University Press, 2012.

Dyfyniad MLA

I. R. Walker. Reliability in Scientific Research. 1. Cambridge University Press, 2012.

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