Gaya APA
Cook, , J., Younger, , J, S. (1988).
The Implications of Tropical Weathering in Road Design and Construction .
Bandung:
IRE.
Gaya MLA
Cook, , J.R.., Younger, , J., S..
"The Implications of Tropical Weathering in Road Design and Construction".
Bandung:
IRE,
1988.
Text.