Não informado. (2000). Technical communication. Government Printer.
Chicago (17e ed.) BronvermeldingNão informado. Technical Communication. Pretoria, Africa do Sul: Government Printer, 2000.
MLA (8e ed.) BronvermeldingNão informado. Technical Communication. Government Printer, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.