Gaya APA
Salter, R, J.
(1988).
Highway design and construction / R.J. Salter
(
Ed.ke-2)
.
London:
Macmillan.
Gaya MLA
Salter, Richard, J..
"Highway design and construction / R.J. Salter".
Ed.ke-2
London:
Macmillan,
1988.
Textbook.