Não informado. (1958). Research Management. Technomic Publishing Company.
Chicago (17e ed.) BronvermeldingNão informado. Research Management. Lancaster, Pa: Technomic Publishing Company, 1958.
MLA (8e ed.) BronvermeldingNão informado. Research Management. Technomic Publishing Company, 1958.
Let op: Deze citaties zijn niet altijd 100% accuraat.