Hagring, O. (1998). Vehicle-vehicle interactions at roundabouts and their implications for the entry capacity: A methodological study with applications to two-lane roundabouts. Lund Institute of Technology.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHagring, Ola. Vehicle-vehicle Interactions at Roundabouts and Their Implications for the Entry Capacity: A Methodological Study with Applications to Two-lane Roundabouts. Lund, Sweden: Lund Institute of Technology, 1998.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিHagring, Ola. Vehicle-vehicle Interactions at Roundabouts and Their Implications for the Entry Capacity: A Methodological Study with Applications to Two-lane Roundabouts. Lund Institute of Technology, 1998.
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