Παραπομπή σε μορφή APA (7η εκδ.)

Hassan, D. (2006). Protecting the marine environment from land-based sources of pollution: Towards effective international cooperation. Ashgate.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hassan, Daud. Protecting the Marine Environment from Land-based Sources of Pollution: Towards Effective International Cooperation. Aldershot: Ashgate, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hassan, Daud. Protecting the Marine Environment from Land-based Sources of Pollution: Towards Effective International Cooperation. Ashgate, 2006.