(1978). Return of whooping cough.
Chicago Style citaatReturn of Whooping Cough. 1978.
MLA citatieReturn of Whooping Cough. 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.
APA Citatie
(1978). Return of whooping cough.
Chicago Style citaatReturn of Whooping Cough. 1978.
MLA citatieReturn of Whooping Cough. 1978.