Não informado. (1949). Ice Cream and Frozen Confectionery. Ice Cream Alliance.
Chicago (17e ed.) BronvermeldingNão informado. Ice Cream and Frozen Confectionery. London: Ice Cream Alliance, 1949.
MLA (8e ed.) BronvermeldingNão informado. Ice Cream and Frozen Confectionery. Ice Cream Alliance, 1949.
Let op: Deze citaties zijn niet altijd 100% accuraat.