APA Style
Krebs, Robert D., Walker, Richard D.. (1971).
Highway Materials .
New York:
MCGRAW-HILL.
Chicago Style
Krebs, Robert D., Walker, Richard D..
Highway Materials.
New York:
MCGRAW-HILL,
1971.
.
MLA Style
Krebs, Robert D., Walker, Richard D..
Highway Materials.
New York:
MCGRAW-HILL,
1971.
.
Turabian Style
Krebs, Robert D., Walker, Richard D..
Highway Materials.
New York:
MCGRAW-HILL,
1971.
.