Παραπομπή σε μορφή APA (7η εκδ.)

Håkanson, L., & Bryhn, A. C. (2008). Eutrophication in the Baltic Sea: Present Situation, Nutrient Transport Processes, Remedial Strategies. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Håkanson, Lars, και Andreas C. Bryhn. Eutrophication in the Baltic Sea: Present Situation, Nutrient Transport Processes, Remedial Strategies. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

Håkanson, Lars, και Andreas C. Bryhn. Eutrophication in the Baltic Sea: Present Situation, Nutrient Transport Processes, Remedial Strategies. Springer Berlin Heidelberg, 2008.