Marshall Cavendish. (1985). Ingres. Marshall Cavendish.
Cita Chicago (17th ed.)Marshall Cavendish. Ingres. Hamburg: Marshall Cavendish, 1985.
Cita MLA (8th ed.)Marshall Cavendish. Ingres. Marshall Cavendish, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.