Gaya APA

Knoll, E.E.. (1977). Economic comparison of pavement . : IRF.

Gaya Chicago

Knoll, E.E.. Economic comparison of pavement. : IRF, 1977. Computer Software.

Gaya MLA

Knoll, E.E.. Economic comparison of pavement. : IRF, 1977. Computer Software.

Gaya Turabian

Knoll, E.E.. Economic comparison of pavement. : IRF, 1977. Computer Software.