Não informado. (2000). International journal of engineering. National Center for Scientific Research.
Chicago (17e ed.) BronvermeldingNão informado. International Journal of Engineering. Teheran: National Center for Scientific Research, 2000.
MLA (8e ed.) BronvermeldingNão informado. International Journal of Engineering. National Center for Scientific Research, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.