Gaya APA

O'Flaherty, C.A.. (1970). An evaluation of the moving observer method of measuring traffic speeds and flows . : s.n..

Gaya Chicago

O'Flaherty, C.A.. An evaluation of the moving observer method of measuring traffic speeds and flows. : s.n., 1970. Filmstrip.

Gaya MLA

O'Flaherty, C.A.. An evaluation of the moving observer method of measuring traffic speeds and flows. : s.n., 1970. Filmstrip.

Gaya Turabian

O'Flaherty, C.A.. An evaluation of the moving observer method of measuring traffic speeds and flows. : s.n., 1970. Filmstrip.