Cita APA (7a ed.)

Richards, M. J., & O'Brien, T. (2013). Business, finance and economics research summaries. Nova Publishers.

Cita Chicago Style (17a ed.)

Richards, Michael J., y Tommy O'Brien. Business, Finance and Economics Research Summaries. New York: Nova Publishers, 2013.

Cita MLA (8a ed.)

Richards, Michael J., y Tommy O'Brien. Business, Finance and Economics Research Summaries. Nova Publishers, 2013.