Παραπομπή APA
McGrail, S., & National Maritime Museum. (1981). Rafts, boats and ships: From prehistoric times to the medieval era. London: Her Majesty's Stationary Office.
Παραπομπή Chicago StyleMcGrail, Sean., and National Maritime Museum. Rafts, Boats and Ships: From Prehistoric Times to the Medieval Era. London: Her Majesty's Stationary Office, 1981.
Παραπομπή MLAMcGrail, Sean., and National Maritime Museum. Rafts, Boats and Ships: From Prehistoric Times to the Medieval Era. London: Her Majesty's Stationary Office, 1981.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.