Allsopp, M.; Page, R.; Johnston, P.; Santillo, D. (2007). Oceans in peril: protecting marine biodiversity. Worldwatch Report, 174. Worldwatch Institute: Washington D.C. ISBN 978-1-878071-81-1. 56 pp.
Deel van: Worldwatch Report. Worldwatch Institute: Washington. ISSN 1300-882X, meer
