Não informado. (1961). Basic Research Progress Report. Technical University of Denmark.
Chicago (17e ed.) BronvermeldingNão informado. Basic Research Progress Report. Copenhagen: Technical University of Denmark, 1961.
MLA (8e ed.) BronvermeldingNão informado. Basic Research Progress Report. Technical University of Denmark, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.