Παραπομπή σε μορφή APA (7η εκδ.)

Drewry Shipping Consultants. (2005). Chemical and product tankers - implications of IMO/MARPOL Annex II changes. Drewry Shipping Consultants.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Drewry Shipping Consultants. Chemical and Product Tankers - Implications of IMO/MARPOL Annex II Changes. London: Drewry Shipping Consultants, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Drewry Shipping Consultants. Chemical and Product Tankers - Implications of IMO/MARPOL Annex II Changes. Drewry Shipping Consultants, 2005.