Duignan, B. (2010). The executive branch of the federal government: Purpose, process, and people. Britannica Educational Pub., in association with Rosen Educational Services.
Cita Chicago Style (17a ed.)Duignan, Brian. The Executive Branch of the Federal Government: Purpose, Process, and People. New York: Britannica Educational Pub., in association with Rosen Educational Services, 2010.
Cita MLA (8a ed.)Duignan, Brian. The Executive Branch of the Federal Government: Purpose, Process, and People. Britannica Educational Pub., in association with Rosen Educational Services, 2010.
Precaución: Estas citas no son 100% exactas.