Phillips, B. (2003). Principle 3: management systems, in: Phillips, B. et al. (Ed.) Eco-labelling in fisheries: what is it all about?. pp. 57-62
In: Phillips, B.; Ward, T.J.; Chaffee, C. (Ed.) (2003). Eco-labelling in fisheries: What is it all about? Blackwell Science: Oxford. ISBN 0-632-06422-6. XII, 196 pp., meer
