Gaya APA

Jorgensen, S, E. (2010). Handbook of Ecological Indicators for Assessement of Ecosystem Health . Boca Raton :: Taylor & Francis Group,.

Gaya MLA

Jorgensen, Sven, E.. "Handbook of Ecological Indicators for Assessement of Ecosystem Health". Boca Raton :: Taylor & Francis Group,, 2010. Text.