Não informado. (2010). Northwest Medicine. Northwest Medical Publishing Association.
Chicago (17e ed.) BronvermeldingNão informado. Northwest Medicine. Seattle, Wash: Northwest Medical Publishing Association, 2010.
MLA (8e ed.) BronvermeldingNão informado. Northwest Medicine. Northwest Medical Publishing Association, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.