p. 74, Pressman, Ian; Singmaster, David (1989), ""The Jealous Husbands" and "The Missionaries and Cannibals"", The Mathematical Gazette, The Mathematical Association, 73 (464): 73–81, doi:10.2307/3619658, JSTOR3619658.
Schwartz, Benjamin L. (1961), "An analytic method for the "difficult crossing" puzzles", Mathematics Magazine, 34 (4): 187–193, doi:10.2307/2687980, JSTOR2687980.
Csorba, Péter; Hurkens, Cor A. J.; Woeginger, Gerhard J. (2008), "The Alcuin number of a graph", Algorithms: ESA 2008, Lecture Notes in Computer Science, 5193, Springer-Verlag, hlm. 320–331, doi:10.1007/978-3-540-87744-8_27.
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jstor.org
p. 74, Pressman, Ian; Singmaster, David (1989), ""The Jealous Husbands" and "The Missionaries and Cannibals"", The Mathematical Gazette, The Mathematical Association, 73 (464): 73–81, doi:10.2307/3619658, JSTOR3619658.
Schwartz, Benjamin L. (1961), "An analytic method for the "difficult crossing" puzzles", Mathematics Magazine, 34 (4): 187–193, doi:10.2307/2687980, JSTOR2687980.
Bellman, Richard (1962), "Dynamic programming and "difficult crossing" puzzles", Mathematics Magazine, Mathematical Association of America, 35 (1): 27–29, doi:10.2307/2689096, JSTOR2689096.