University of Colorado, Boulder. Business Research Division. (1966). Ski statistics. The Division.
Chicago (17e ed.) BronvermeldingUniversity of Colorado, Boulder. Business Research Division. Ski Statistics. Boulder: The Division, 1966.
MLA (8e ed.) BronvermeldingUniversity of Colorado, Boulder. Business Research Division. Ski Statistics. The Division, 1966.
Let op: Deze citaties zijn niet altijd 100% accuraat.