Baker, B., & Friedelbaum, S. H. (1966). Government in th United States. Boston: Houghton Mifflin Company.
Chicago Style aipamenaBaker, Benjamin., và Stanley H. Friedelbaum. Government in Th United States. Boston: Houghton Mifflin Company, 1966.
MLA aipamenaBaker, Benjamin., và Stanley H. Friedelbaum. Government in Th United States. Boston: Houghton Mifflin Company, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.