Não informado. (2007). Report of the director. Government Printer.
Chicago (17e ed.) BronvermeldingNão informado. Report of the Director. Melbourne, Australia: Government Printer, 2007.
MLA (8e ed.) BronvermeldingNão informado. Report of the Director. Government Printer, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.