Não informado. (1969). Journal of Quality Technology. American Society for Quality Control.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Quality Technology. Milwaukee, Wis: American Society for Quality Control, 1969.
MLA (8e ed.) BronvermeldingNão informado. Journal of Quality Technology. American Society for Quality Control, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.