Gaya APA

Harris, Robert L.. (1991). Noncontact Pavement Crack Detection System . : TRB.

Gaya Chicago

Harris, Robert L.. Noncontact Pavement Crack Detection System. : TRB, 1991. Computer Software.

Gaya MLA

Harris, Robert L.. Noncontact Pavement Crack Detection System. : TRB, 1991. Computer Software.

Gaya Turabian

Harris, Robert L.. Noncontact Pavement Crack Detection System. : TRB, 1991. Computer Software.