Ali,abu Barkat. (2021). Travel and tourism management. Phi learning pvt.
芝加哥风格引文Ali,abu Barkat. Travel and Tourism Management. Delhi: Phi learning pvt, 2021.
MLA引文Ali,abu Barkat. Travel and Tourism Management. Phi learning pvt, 2021.
警告：这些引文格式不一定是100％准确.