Παραπομπή APA

Lane, R., & Powell .J Timothy Prestwood Smith Paul. (1971). Analytical transport planning. Duckworth.

Παραπομπή Chicago Style

Lane, Robert, και Powell .J Timothy Prestwood Smith Paul. Analytical Transport Planning. London: Duckworth, 1971.

Παραπομπή MLA

Lane, Robert, και Powell .J Timothy Prestwood Smith Paul. Analytical Transport Planning. Duckworth, 1971.