APA-čujuhus (7. p.)
Donovan, F. P., & Grant, H. R. (2000). Iowa railroads: The essays of Frank P. Donovan, Jr. University of Iowa Press.
Chicago-čujuhus (17. p.)
Donovan, Frank P., juo H. Roger Grant. Iowa Railroads: The Essays of Frank P. Donovan, Jr. Iowa City: University of Iowa Press, 2000.
MLA-čujuhus (9. p.)
Donovan, Frank P., juo H. Roger Grant. Iowa Railroads: The Essays of Frank P. Donovan, Jr. University of Iowa Press, 2000.
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