Hearings before the Ad Hoc advisory group on the Presidential vote for Puerto Rico.
APA Citation
United States. Ad Hoc Advisory Group on the Presidential Vote for Puerto Rico. (1971). Hearings before the Ad Hoc advisory group on the Presidential vote for Puerto Rico. Washington, D.C.: U.S. Govt. Print. Off..
MLA Citation
United States. Ad Hoc Advisory Group on the Presidential Vote for Puerto Rico. Hearings Before the Ad Hoc Advisory Group On the Presidential Vote for Puerto Rico. Washington, D.C.: U.S. Govt. Print. Off., 1971.
Warning: These citations may not always be complete (especially for serials).