(1990). American Conservative Opinion Leaders Edited By Mark J. Rozell And James F. Ponturo. West View.
Chicago-viite (17. p.)American Conservative Opinion Leaders Edited By Mark J. Rozell And James F. Ponturo. West View, 1990.
MLA-viite (8. p.)American Conservative Opinion Leaders Edited By Mark J. Rozell And James F. Ponturo. West View, 1990.
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