Παραπομπή σε μορφή APA (7η εκδ.)

Technical Marine Bureau D.N.Petrongonas & Associates. (1990). Q601 company emergency management manual: (insturctions to be followed in the event of an emergency). [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Technical Marine Bureau D.N.Petrongonas & Associates. Q601 Company Emergency Management Manual: (insturctions to Be Followed in the Event of an Emergency). [Piraeus?]: [s.n.], 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Technical Marine Bureau D.N.Petrongonas & Associates. Q601 Company Emergency Management Manual: (insturctions to Be Followed in the Event of an Emergency). [s.n.], 1990.