Cita APA (7a ed.)

Riches, S., & Allen, V. (2013). Keenan and Riches' business law (Eleventh edition.). Pearson.

Cita Chicago Style (17a ed.)

Riches, Sarah, y Vida Allen. Keenan and Riches' Business Law. Eleventh edition. Harlow, England: Pearson, 2013.

Cita MLA (8a ed.)

Riches, Sarah, y Vida Allen. Keenan and Riches' Business Law. Eleventh edition. Pearson, 2013.