Gaya APA

Sorlie, A.. (1981). Polystyrene Foam for Lightweight Road Embankment . : s.n..

Gaya Chicago

Sorlie, A.. Polystyrene Foam for Lightweight Road Embankment. : s.n., 1981. Computer Software.

Gaya MLA

Sorlie, A.. Polystyrene Foam for Lightweight Road Embankment. : s.n., 1981. Computer Software.

Gaya Turabian

Sorlie, A.. Polystyrene Foam for Lightweight Road Embankment. : s.n., 1981. Computer Software.