APA (7th ed.) Citation

3G ELearning. (2018). Theory, practice and techniques in tourism marketing. 3G E-learning.

Chicago Style (17th ed.) Citation

3G ELearning. Theory, Practice and Techniques in Tourism Marketing. New York: 3G E-learning, 2018.

MLA (9th ed.) Citation

3G ELearning. Theory, Practice and Techniques in Tourism Marketing. 3G E-learning, 2018.