Gaya APA
Hay, William W.. (1982).
Railroad Engineering (Ed. 2).
Canada:
A Wiley-Interscience Publication.
Gaya Chicago
Hay, William W..
Railroad Engineering.
Ed. 2
Canada:
A Wiley-Interscience Publication,
1982.
Text.
Gaya MLA
Hay, William W..
Railroad Engineering.
Ed. 2
Canada:
A Wiley-Interscience Publication,
1982.
Text.
Gaya Turabian
Hay, William W..
Railroad Engineering.
Ed. 2
Canada:
A Wiley-Interscience Publication,
1982.
Print.