Hall, N. (2013). Principles of reflexolgy: What it is, how it works, and what it can do for you (Revised edition.). Singing Dragon.
Cita Chicago Style (17a ed.)Hall, Nicola. Principles of Reflexolgy: What It Is, How It Works, and What It Can Do for You. Revised edition. London: Singing Dragon, 2013.
Cita MLA (8a ed.)Hall, Nicola. Principles of Reflexolgy: What It Is, How It Works, and What It Can Do for You. Revised edition. Singing Dragon, 2013.
Precaución: Estas citas no son 100% exactas.