Kotler, P. (2017). Democracy in Decline: Rebuilding its future. Sage pub.
芝加哥风格引文Kotler, Philip. Democracy in Decline: Rebuilding Its Future. New Delhi: Sage pub, 2017.
MLA引文Kotler, Philip. Democracy in Decline: Rebuilding Its Future. Sage pub, 2017.
警告：这些引文格式不一定是100％准确.