Gaya APA
Parsons, A.W.. (1970).
Belt conveyors in road construction .
:
TRRL.
Gaya Chicago
Parsons, A.W..
Belt conveyors in road construction.
:
TRRL,
1970.
Text.
Gaya MLA
Parsons, A.W..
Belt conveyors in road construction.
:
TRRL,
1970.
Text.
Gaya Turabian
Parsons, A.W..
Belt conveyors in road construction.
:
TRRL,
1970.
Print.