Medlik, S. (2015). Understanding tourism. Butterworth-Heinemann.
Trích dẫn kiểu ChicagoMedlik, S. Understanding Tourism. Butterworth-Heinemann, 2015.
MLA引文Medlik, S. Understanding Tourism. Butterworth-Heinemann, 2015.
警告：这些引文格式不一定是100％准确.
APA引文