Cita APA

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

Citación estilo Chicago

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

Cita MLA

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