Não informado. (1971). Journal of Combinatorial Theory. Academic Press.
Style de citation Chicago (17e éd.)Não informado. Journal of Combinatorial Theory. Duluth, Minn: Academic Press, 1971.
Style de citation MLA (8e éd.)Não informado. Journal of Combinatorial Theory. Academic Press, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.