Garrod, B., Garrod, B., & Fennell, D. (2004). AN ANALYSIS OF WHALEWATCHING CODES OF CONDUCT. Annals of Tourism Research, 31(2), pp. 334-352. doi:10.1016/j.annals.2003.12.003

Garrod, Brian, B. Garrod, and D.A Fennell. "AN ANALYSIS OF WHALEWATCHING CODES OF CONDUCT." Annals of Tourism Research 31, no. 2 (2004): 334-352.

Garrod, Brian, B. Garrod, and D.A Fennell. "AN ANALYSIS OF WHALEWATCHING CODES OF CONDUCT." Annals of Tourism Research 31.2 (2004): 334-352.