Cita APA

Sharp, A. M., Register, C. A., Grimes, P. W., & Leftwich, R. H. (1996). Economics of social issues (12. edition.). Chicago: Irwin.

Citación estilo Chicago

Sharp, Ansel M., Charles A. Register, Paul W. Grimes, y Richard H. Leftwich. Economics of Social Issues. 12. edition. Chicago: Irwin, 1996.

Cita MLA

Sharp, Ansel M., Charles A. Register, Paul W. Grimes, y Richard H. Leftwich. Economics of Social Issues. 12. edition. Chicago: Irwin, 1996.