Dyfyniad APA
McCall, B., Rose, F. C., & Neilson, S. (2004). Parkinson's: The "At Your Fingertips" Guide (3rd ed.). Class Publishing.
Dyfyniad Arddull Chicago
McCall, Bridget, F. Clifford Rose, and Stuart Neilson. Parkinson's: The "At Your Fingertips" Guide. 3rd ed. London: Class Publishing, 2004.
Dyfyniad MLA
McCall, Bridget, et al. Parkinson's: The "At Your Fingertips" Guide. 3rd ed. Class Publishing, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.