Tohutoro APA (7th ed.)
Donovan, F. P., & Grant, H. R. (2000). Iowa railroads: The essays of Frank P. Donovan, Jr. University of Iowa Press.
Tohutoru Kātū Chicago (17th ed.)
Donovan, Frank P., me H. Roger Grant. Iowa Railroads: The Essays of Frank P. Donovan, Jr. Iowa City: University of Iowa Press, 2000.
Tohutoro MLA (9th ed.)
Donovan, Frank P., me H. Roger Grant. Iowa Railroads: The Essays of Frank P. Donovan, Jr. University of Iowa Press, 2000.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.