Παραπομπή σε μορφή APA (7η εκδ.)

Technical Marine Bureau D.N.Petrongonas & Associates. (1990). Quality and safety management manual: Controlled document. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Technical Marine Bureau D.N.Petrongonas & Associates. Quality and Safety Management Manual: Controlled Document. [Piraeus?]: [s.n.], 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Technical Marine Bureau D.N.Petrongonas & Associates. Quality and Safety Management Manual: Controlled Document. [s.n.], 1990.