Cita APA (7th ed.)

Sharp, A. M., Grimes, P. W., & Register, C. A. (1998). Economics of social issues (13th ed.). Irwin McGraw-Hill.

Cita Chicago (17th ed.)

Sharp, Ansel M., Paul W. Grimes, i Charles A. Register. Economics of Social Issues. 13th ed. Boston, Mass: Irwin McGraw-Hill, 1998.

Cita MLA (9th ed.)

Sharp, Ansel M., et al. Economics of Social Issues. 13th ed. Irwin McGraw-Hill, 1998.