Djordjevic, N., Ehrman, W., & Swanson, G. (1966). Further studies of Denver air pollution. CSU.
Chicago Style aipamenaDjordjevic, N., W. Ehrman, and G. Swanson. Further Studies of Denver Air Pollution. Fort Collins, Colo.: CSU, 1966.
MLA aipamenaDjordjevic, N., et al. Further Studies of Denver Air Pollution. CSU, 1966.
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