Macagno, E. O., Moran, D. D., & McDougall, D. W. (1971). The first half century of hydraulic research at the University of Iowa (Rev.). University of Iowa.
Lua i Stíl Chicago (17ú heag.)Macagno, Enzo O., David D. Moran, agus David W. McDougall. The First Half Century of Hydraulic Research at the University of Iowa. Rev. Iowa City: University of Iowa, 1971.
Lua MLA (8ú heag.)Macagno, Enzo O., et al. The First Half Century of Hydraulic Research at the University of Iowa. Rev. University of Iowa, 1971.
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