Marsh, A. I., Ryan, V., & Smethurst, J. B. (2009). Historical directory of trade unions. Gower.
芝加哥风格引文Marsh, Arthur Ivor, Victoria Ryan, 与 John B. Smethurst. Historical Directory of Trade Unions. Farnborough, Hants., England: Gower, 2009.
MLA引文Marsh, Arthur Ivor, et al. Historical Directory of Trade Unions. Gower, 2009.
警告：这些引文格式不一定是100％准确.