(1972). Official Congressional Directory: [92nd] Congress (second session.). US Government Printing Office.
استشهاد بنمط شيكاغوOfficial Congressional Directory: [92nd] Congress. second session. US Government Printing Office, 1972.
MLA استشهادOfficial Congressional Directory: [92nd] Congress. second session. US Government Printing Office, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.