Answer:
A: Laing, Jennifer & Frost Warwick. How Green Was My Festival: Exploring Challenges and Opportunities Associated With Staging Green Events. International Journal of Hospitality Management 29 (2) (2010): 261–7. Print.
Step-by-step explanation:
MLA format: Last Name, First Name. Book Title. City of Publication: Publisher, Year Published. Medium
If you didn't know the medium is Print