Gaya APA

Sach, N.D.. (1970). A proposed system for the collection and recording of traffic volume data from continous counting stations . : s.n..

Gaya Chicago

Sach, N.D.. A proposed system for the collection and recording of traffic volume data from continous counting stations. : s.n., 1970. Filmstrip.

Gaya MLA

Sach, N.D.. A proposed system for the collection and recording of traffic volume data from continous counting stations. : s.n., 1970. Filmstrip.

Gaya Turabian

Sach, N.D.. A proposed system for the collection and recording of traffic volume data from continous counting stations. : s.n., 1970. Filmstrip.