Hula, K. W. (1999). Lobbying together: Interest group coalitions in legislative politics. Georgetown University Press.
芝加哥风格引文Hula, Kevin W. Lobbying Together: Interest Group Coalitions in Legislative Politics. Washington, DC: Georgetown University Press, 1999.
MLA引文Hula, Kevin W. Lobbying Together: Interest Group Coalitions in Legislative Politics. Georgetown University Press, 1999.
警告：这些引文格式不一定是100％准确.