Laurie 2003, p. 14 Laurie, Clayton D. (3 de outubro de 2003) [1994]. Rome-Arno 1944. Col: The U.S. Army Campaigns of World War II. Washington: United States Army Center of Military History. ISBN978-0-16-042085-6. CMH Pub 72-20
Laurie 2003, pp. 14–15 Laurie, Clayton D. (3 de outubro de 2003) [1994]. Rome-Arno 1944. Col: The U.S. Army Campaigns of World War II. Washington: United States Army Center of Military History. ISBN978-0-16-042085-6. CMH Pub 72-20
Laurie 2003, p. 15 Laurie, Clayton D. (3 de outubro de 2003) [1994]. Rome-Arno 1944. Col: The U.S. Army Campaigns of World War II. Washington: United States Army Center of Military History. ISBN978-0-16-042085-6. CMH Pub 72-20
Majdalany 1957, p. 256 Majdalany, Fred (1957). Cassino: Portrait of a Battle. Londres: Longmans, Green. OCLC536746
Hingston 1946, p. 81 Hingston, W.G. (1946). The Tiger Triumphs: The Story of Three Great Divisions in Italy. [S.l.]: HMSO for the Government of India. OCLC29051302
Majdalany 1957, p. 259 Majdalany, Fred (1957). Cassino: Portrait of a Battle. Londres: Longmans, Green. OCLC536746