Παραπομπή σε μορφή APA (7η εκδ.)

423654 Astrop, A., & Britain), T. R. L. (. (1993). The trend in rural bus service since deregulation. Crowthorne, Eng. : TRL.

Παραπομπή σε μορφή Chicago (17η εκδ.)

423654 Astrop, Angela, και Transport Research Laboratory (Great Britain). The Trend in Rural Bus Service Since Deregulation. Crowthorne, Eng. : TRL, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

423654 Astrop, Angela, και Transport Research Laboratory (Great Britain). The Trend in Rural Bus Service Since Deregulation. Crowthorne, Eng. : TRL, 1993.