Holden, P. (1988). Tourism: An ecumenical concern : the story of the Ecumenical Coalition on Third World Tourism. Ecumenical Coalition on Third World Tourism.
芝加哥风格引文Holden, Peter. Tourism: An Ecumenical Concern : The Story of the Ecumenical Coalition on Third World Tourism. Bangkok: Ecumenical Coalition on Third World Tourism, 1988.
MLA引文Holden, Peter. Tourism: An Ecumenical Concern : The Story of the Ecumenical Coalition on Third World Tourism. Ecumenical Coalition on Third World Tourism, 1988.
警告：这些引文格式不一定是100％准确.