Gaya APA
Barwell, I.. (1980).
Equipment for labour based road construction .
:
Intermediate Technology Pub.
Gaya Chicago
Barwell, I..
Equipment for labour based road construction.
:
Intermediate Technology Pub,
1980.
Text.
Gaya MLA
Barwell, I..
Equipment for labour based road construction.
:
Intermediate Technology Pub,
1980.
Text.
Gaya Turabian
Barwell, I..
Equipment for labour based road construction.
:
Intermediate Technology Pub,
1980.
Print.