Obst, D. (1998). Too good to be forgotten: Changing America in the '60s and '70s. Wiley.
Chicago Style aipamenaObst, David. Too Good to Be Forgotten: Changing America in the '60s and '70s. New York: Wiley, 1998.
MLA aipamenaObst, David. Too Good to Be Forgotten: Changing America in the '60s and '70s. Wiley, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.