Não informado. (1923). Entomology memoirs. Republic of South Africa, Department of Agriculture.
Chicago (17e ed.) BronvermeldingNão informado. Entomology Memoirs. Pretoria, Africa do Sul: Republic of South Africa, Department of Agriculture, 1923.
MLA (8e ed.) BronvermeldingNão informado. Entomology Memoirs. Republic of South Africa, Department of Agriculture, 1923.
Let op: Deze citaties zijn niet altijd 100% accuraat.