Langford, M. J., & Andrews, P. (2009). Langford's starting photography: The guide to creating great images (6th ed.). Focal Press.
Cita Chicago (17th ed.)Langford, Michael John, i Philip Andrews. Langford's Starting Photography: The Guide to Creating Great Images. 6th ed. Amsterdam: Focal Press, 2009.
Cita MLA (9th ed.)Langford, Michael John, i Philip Andrews. Langford's Starting Photography: The Guide to Creating Great Images. 6th ed. Focal Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.