I need citation for a proof for my master's thesis. The reference is here, in Wolfram Mathworld. The reference is not fully accurate, it says published in 2000 while the actual book is in libraries is written to be published 2001.
Therefore I do not trust the reference there, perhaps I can get confirmation here?
So regarding proof of non-hamiltonicity of Petersen graph, is there a proof in here: "West, D. B. Introduction to Graph Theory, 2nd ed. Englewood Cliffs, NJ: Prentice-Hall, p. 225, 2000."
My illustration of the proof, inspired by this post here: