APA引文

Bull, A. (1995). The economics of travel and tourism (2nd ed.). Melbourne: Longman.

Trích dẫn kiểu Chicago

Bull, Adrian. The Economics of Travel and Tourism. 2nd ed. Melbourne: Longman, 1995.

MLA引文

Bull, Adrian. The Economics of Travel and Tourism. 2nd ed. Melbourne: Longman, 1995.

警告：這些引文格式不一定是100％准確.