Schriftgiesser, K. (1951). The lobbyists: The art and business of influencing lawmakers. Boston: Little Brown.
Παραπομπή Chicago StyleSchriftgiesser, Karl. The Lobbyists: The Art and Business of Influencing Lawmakers. Boston: Little Brown, 1951.
Παραπομπή MLASchriftgiesser, Karl. The Lobbyists: The Art and Business of Influencing Lawmakers. Boston: Little Brown, 1951.
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