Williams, Charles Frederic (1895), "Vessel", Merrill, John Houston; Williams, Charles Frederic; Michie, Thomas Johnson; Garland, David Shephard (Ed.), Utmost care to Watercourses, The American and English Encyclopædia of Law, 28, Edward Thompson Company, s.440, 28 Temmuz 2020 tarihinde kaynağından arşivlendi16 Nisan 2022
With the addition of corvettes, this is the categorization used at United States Navy. "U.S. Navy Ships". United States Navy. 10 Nisan 2008 tarihinde kaynağından arşivlendi. Erişim tarihi: 20 Nisan 2008.
Williams, Charles Frederic (1895), "Vessel", Merrill, John Houston; Williams, Charles Frederic; Michie, Thomas Johnson; Garland, David Shephard (Ed.), Utmost care to Watercourses, The American and English Encyclopædia of Law, 28, Edward Thompson Company, s.440, 28 Temmuz 2020 tarihinde kaynağından arşivlendi16 Nisan 2022
With the addition of corvettes, this is the categorization used at United States Navy. "U.S. Navy Ships". United States Navy. 10 Nisan 2008 tarihinde kaynağından arşivlendi. Erişim tarihi: 20 Nisan 2008.