APA (7 ম সংস্করণ) উদ্ধৃতি

Roberts, F. S. (1978). Graph theory and its applications to problems of society. Society for Industrial and Applied Mathematics.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Roberts, Fred S. Graph Theory and Its Applications to Problems of Society. Philadelphia: Society for Industrial and Applied Mathematics, 1978.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Roberts, Fred S. Graph Theory and Its Applications to Problems of Society. Society for Industrial and Applied Mathematics, 1978.