Gaya APA
Atkins, H, N.
(1997).
Highway materials, soils, and concretes
(
3rd ed.)
.
Upper Saddle River:
Prentice-Hall.
Gaya MLA
Atkins, Harold, N..
"Highway materials, soils, and concretes".
3rd ed.
Upper Saddle River:
Prentice-Hall,
1997.
Text.