Dyfyniad APA
Parnell, S., & Chambers, C. (2019). Fetal alcohol spectrum disorders.
Dyfyniad Arddull Chicago
Parnell, S., and C. Chambers. Fetal Alcohol Spectrum Disorders. 2019.
Dyfyniad MLA
Parnell, S., and C. Chambers. Fetal Alcohol Spectrum Disorders. 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.