APA引用形式

Lockwood, A., & Medlik, S. (2001). Tourism and hospitality in the 21st century. Butter worth Heinemann.

シカゴスタイル引用形

Lockwood, A., , S. Medlik. Tourism and Hospitality in the 21st Century. Oxford: Butter worth Heinemann, 2001.

MLA引用形式

Lockwood, A., , S. Medlik. Tourism and Hospitality in the 21st Century. Butter worth Heinemann, 2001.