Gaya APA

Grattan-Bellew, P. E.. (1980). Cooperative Test Program for Precast Concrete Paving Elements . : s.n..

Gaya Chicago

Grattan-Bellew, P. E.. Cooperative Test Program for Precast Concrete Paving Elements. : s.n., 1980. Computer Software.

Gaya MLA

Grattan-Bellew, P. E.. Cooperative Test Program for Precast Concrete Paving Elements. : s.n., 1980. Computer Software.

Gaya Turabian

Grattan-Bellew, P. E.. Cooperative Test Program for Precast Concrete Paving Elements. : s.n., 1980. Computer Software.