United States. Navy Dept & Hichborn, P. (1886). Report on European dock-yards. Gov̓t Print. Off..
Chicago-viite (17. p.)United States. Navy Dept ja Philip Hichborn. Report on European Dock-yards. Washington: Gov̓t Print. Off., 1886.
MLA-viite (8. p.)United States. Navy Dept ja Philip Hichborn. Report on European Dock-yards. Gov̓t Print. Off., 1886.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.