Gaya APA
Skorseth, Ken. (2010).
GRAVEL ROADS: Maintenance and Design Manual .
:
University of Michigan.
Gaya Chicago
Skorseth, Ken.
GRAVEL ROADS: Maintenance and Design Manual.
:
University of Michigan,
2010.
Text.
Gaya MLA
Skorseth, Ken.
GRAVEL ROADS: Maintenance and Design Manual.
:
University of Michigan,
2010.
Text.
Gaya Turabian
Skorseth, Ken.
GRAVEL ROADS: Maintenance and Design Manual.
:
University of Michigan,
2010.
Print.