Pacific Northwest Library Association. Reference Section, Todd, R., & Gilbert, E. S. (1930). Nineteenth century American publishers. Reference Section of the Pacific Northwest Library Association.
Style de citation Chicago (17e éd.)Pacific Northwest Library Association. Reference Section, Ronald Todd, et Elizabeth Showacre Gilbert. Nineteenth Century American Publishers. [Seattle?: Reference Section of the Pacific Northwest Library Association, 1930.
Style de citation MLA (8e éd.)Pacific Northwest Library Association. Reference Section, et al. Nineteenth Century American Publishers. Reference Section of the Pacific Northwest Library Association, 1930.
Attention : ces citations peuvent ne pas être correctes à 100%.