Booth, W. C., Colomb, G. G., Williams, J. M., Bizup, J., & FitzGerald, W. T. (2016). The craft of research (Fourth edition.). The University of Chicago Press.
Dyfyniad Arddull ChicagoBooth, Wayne C., Gregory G. Colomb, Joseph M. Williams, Joseph,|d1966- Bizup, and William T. FitzGerald. The Craft of Research. Fourth edition. Chicago: The University of Chicago Press, 2016.
Dyfyniad MLABooth, Wayne C., et al. The Craft of Research. Fourth edition. The University of Chicago Press, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.