Παραπομπή σε μορφή APA (7η εκδ.)

Engels, U. D. (2013). European Ship Recycling Regulation: Entry-Into-Force Implications of the Hong Kong Convention. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Engels, Urs Daniel. European Ship Recycling Regulation: Entry-Into-Force Implications of the Hong Kong Convention. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

Engels, Urs Daniel. European Ship Recycling Regulation: Entry-Into-Force Implications of the Hong Kong Convention. Springer Berlin Heidelberg : Imprint: Springer, 2013.