Pacific Northwest Library Association. Reference Section, Todd, R., & Gilbert, E. S. (1930). Nineteenth century American publishers. Reference Section of the Pacific Northwest Library Association.
Цитирование в стиле Чикаго (17-е изд.)Pacific Northwest Library Association. Reference Section, Ronald Todd, и Elizabeth Showacre Gilbert. Nineteenth Century American Publishers. [Seattle?: Reference Section of the Pacific Northwest Library Association, 1930.
Цитирование MLA (8-е изд.)Pacific Northwest Library Association. Reference Section, et al. Nineteenth Century American Publishers. Reference Section of the Pacific Northwest Library Association, 1930.
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