Παραπομπή σε μορφή APA (7η εκδ.)

Drewry Shipping Consultants. (1997). Handy and handymax bulk carriers: Adapting to a changing market structure. Drewry.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Drewry Shipping Consultants. Handy and Handymax Bulk Carriers: Adapting to a Changing Market Structure. London: Drewry, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Drewry Shipping Consultants. Handy and Handymax Bulk Carriers: Adapting to a Changing Market Structure. Drewry, 1997.