Goeldner, C. R., & Ritchie, J. R. B. (2015). Tourism: Principles, practices, philosophies. Wiley.
シカゴスタイル引用形Goeldner, Charles R., , J R Brent Ritchie. Tourism: Principles, Practices, Philosophies. Wiley, 2015.
MLA引用形式Goeldner, Charles R., , J R Brent Ritchie. Tourism: Principles, Practices, Philosophies. Wiley, 2015.
警告: この引用は必ずしも正確ではありません.