Παραπομπή σε μορφή APA (7η εκδ.)

Roberts, P. W. (1995). Watchkeeping safety and cargo management in port: A practical guide. The Nautical Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roberts, Peter W. Watchkeeping Safety and Cargo Management in Port: A Practical Guide. London: The Nautical Institute, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Roberts, Peter W. Watchkeeping Safety and Cargo Management in Port: A Practical Guide. The Nautical Institute, 1995.