Não informado. (1980). European Journal of Combinatorics. Academic Press.
Style de citation Chicago (17e éd.)Não informado. European Journal of Combinatorics. London: Academic Press, 1980.
Style de citation MLA (8e éd.)Não informado. European Journal of Combinatorics. Academic Press, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.