Tucker, R. W. (1968). Nation or empire? The debate over American foreign policy. Washington: The John Hopkins University.
शिकागो स्टाइल उद्धरणTucker, Robert W. Nation or Empire? The Debate Over American Foreign Policy. Washington: The John Hopkins University, 1968.
एमएलए उद्धरणTucker, Robert W. Nation or Empire? The Debate Over American Foreign Policy. Washington: The John Hopkins University, 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.