American Bar Association. Section of Administrative Law and Regulatory Practice & Luneburg, W. V. (1998). The lobbying manual: A compliance guide for lawyers and lobbyists (2nd ed.). Section of Administrative Law and Regulatory Practice, American Bar Association.

American Bar Association. Section of Administrative Law and Regulatory Practice and William V. Luneburg. The Lobbying Manual: A Compliance Guide for Lawyers and Lobbyists. 2nd ed. Chicago: Section of Administrative Law and Regulatory Practice, American Bar Association, 1998.

American Bar Association. Section of Administrative Law and Regulatory Practice and William V. Luneburg. The Lobbying Manual: A Compliance Guide for Lawyers and Lobbyists. 2nd ed. Section of Administrative Law and Regulatory Practice, American Bar Association, 1998.