APA (7 ম সংস্করণ) উদ্ধৃতি

National Research Council (U.S.). Transportation Research Board, United States. Federal Highway Administration, American Association of State Highway and Transportation Officials, & Rodegerdts, L. (2007). Roundabouts in the United States. Transportation Research Board.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

National Research Council (U.S.). Transportation Research Board, United States. Federal Highway Administration, American Association of State Highway and Transportation Officials, এবং Lee Rodegerdts. Roundabouts in the United States. Washington, D.C: Transportation Research Board, 2007.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

National Research Council (U.S.). Transportation Research Board, et al. Roundabouts in the United States. Transportation Research Board, 2007.