Dyfyniad APA

Clarke, M., MacKinnon, L., & Eisinga, A. (2008). Cracking up in the search for randomised trials.

Dyfyniad Arddull Chicago

Clarke, M., L. MacKinnon, and A. Eisinga. Cracking Up in the Search for Randomised Trials. 2008.

Dyfyniad MLA

Clarke, M., et al. Cracking Up in the Search for Randomised Trials. 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.