Ore, �. (1990). Graphs and their uses.-Rev. by Robin J.Wilson (Rev. by Robin J. Wilson.). Mathematical Association of America.
শিকাগো স্টাইলে সাইটেশনOre, �ystein. Graphs and Their Uses.-Rev. by Robin J.Wilson. Rev. by Robin J. Wilson. Washington: Mathematical Association of America, 1990.
এমএলএ সাইটেশনOre, �ystein. Graphs and Their Uses.-Rev. by Robin J.Wilson. Rev. by Robin J. Wilson. Mathematical Association of America, 1990.
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