Congressional Quarterly, Inc. (1971). Guide to the Congress of the United States; origins, history and procedure. Congressional Quarterly Service.
Citação do estilo Chicago (17ª ed.)Congressional Quarterly, Inc. Guide to the Congress of the United States; Origins, History and Procedure. Washington: Congressional Quarterly Service, 1971.
Citação MLA (9ª ed.)Congressional Quarterly, Inc. Guide to the Congress of the United States; Origins, History and Procedure. Congressional Quarterly Service, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.