Não informado. (1968). Journal of the Oregon Dental Association. Oregon Dental Association.
Chicago (17e ed.) BronvermeldingNão informado. Journal of the Oregon Dental Association. Portland, Ore: Oregon Dental Association, 1968.
MLA (8e ed.) BronvermeldingNão informado. Journal of the Oregon Dental Association. Oregon Dental Association, 1968.
Let op: Deze citaties zijn niet altijd 100% accuraat.