Ehrlichman, J. (1982). Witness to power: The Nixon years / John Ehrlichman. Pocket Books.
Lua i Stíl Chicago (17ú heag.)Ehrlichman, John. Witness to Power: The Nixon Years / John Ehrlichman. New York: Pocket Books, 1982.
Lua MLA (8ú heag.)Ehrlichman, John. Witness to Power: The Nixon Years / John Ehrlichman. Pocket Books, 1982.
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