APA

Ferlis R., . (1979). Field data collection and sampling procedures for measuring regional vehicle classification and occupancy. : Transportation research record.

Chicago

Ferlis RA, . 1979. Field data collection and sampling procedures for measuring regional vehicle classification and occupancy. : Transportation research record.

Harvard

Ferlis R., . (1979). Field data collection and sampling procedures for measuring regional vehicle classification and occupancy. : Transportation research record.

MLA

Ferlis RA, . Field data collection and sampling procedures for measuring regional vehicle classification and occupancy. : Transportation research record. 1979.