Não informado. (1934). Investigational report. Government Printer.
Chicago (17e ed.) BronvermeldingNão informado. Investigational Report. Pretoria, Africa do Sul: Government Printer, 1934.
MLA (8e ed.) BronvermeldingNão informado. Investigational Report. Government Printer, 1934.
Let op: Deze citaties zijn niet altijd 100% accuraat.