Dyfyniad APA

Jenkinson, C., Heffernan, C., Doll, H., Fitzpatrick, R., & Society, B. G. (2006). The Parkinson's Disease Questionnaire (PDQ-39): Evidence for a method of imputing missing data. Oxford University Press.

Dyfyniad Arddull Chicago

Jenkinson, C., C. Heffernan, H. Doll, R. Fitzpatrick, and British Geriatrics Society. The Parkinson's Disease Questionnaire (PDQ-39): Evidence for a Method of Imputing Missing Data. Oxford University Press, 2006.

Dyfyniad MLA

Jenkinson, C., et al. The Parkinson's Disease Questionnaire (PDQ-39): Evidence for a Method of Imputing Missing Data. Oxford University Press, 2006.

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