Stephenson, J. (1924). The principles and practice of. Isaac Pitman & Sons.
Cita Chicago (17th ed.)Stephenson, James. The Principles and Practice of. London: Isaac Pitman & Sons, 1924.
Cita MLA (9th ed.)Stephenson, James. The Principles and Practice of. Isaac Pitman & Sons, 1924.
Atenció: Aquestes cites poden no estar 100% correctes.