1.
William Heighton. New York: International Publishers; 1991.
William Heighton. New York : International Publishers, 19 juin 1991. ISBN 0717806898
Foner Philip Sheldon. (1991). William Heighton: Pioneer Labor leader of Jacksonian Philadelphia with selections from Heighton's writings and speeches. International Publishers.
Style de citation MLA (8e éd.)Foner Philip Sheldon. William Heighton: Pioneer Labor Leader of Jacksonian Philadelphia with Selections from Heighton's Writings and Speeches. International Publishers, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.