Marshall Cavendish Ltd. (1986). Blake. Marshall Cavendish.
Cita Chicago (17th ed.)Marshall Cavendish Ltd. Blake. Hamburg: Marshall Cavendish, 1986.
Cita MLA (8th ed.)Marshall Cavendish Ltd. Blake. Marshall Cavendish, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.