Marcus, R. D. (1995). America firsthand: Robert D. Marcus, David Burner. New York: St Martin's Press.
Chicago Style aipamenaMarcus, Robert D. America Firsthand: Robert D. Marcus, David Burner. New York: St Martin's Press, 1995.
MLA aipamenaMarcus, Robert D. America Firsthand: Robert D. Marcus, David Burner. New York: St Martin's Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.