Gaya APA

Wright, P. J. F.. (1966). Lean Concrete Road Bases . : s.n..

Gaya Chicago

Wright, P. J. F.. Lean Concrete Road Bases. : s.n., 1966. Text.

Gaya MLA

Wright, P. J. F.. Lean Concrete Road Bases. : s.n., 1966. Text.

Gaya Turabian

Wright, P. J. F.. Lean Concrete Road Bases. : s.n., 1966. Print.