APA引文

Langgat, J. (2020). Environmental Indicators and Hotel Restaurants Performance. European Publisher.

Chicago Style Citation

Langgat, Juliana. Environmental Indicators and Hotel Restaurants Performance. European Publisher, 2020.

MLA引文

Langgat, Juliana. Environmental Indicators and Hotel Restaurants Performance. European Publisher, 2020.

警告：這些引文格式不一定是100％准確.