APA-viite (7. p.)

Leftwich, R. H., & Sharp, A. M. (1980). Economics of social issues (4th ed.). Business Publications.

Chicago-viite (17. p.)

Leftwich, R. H., ja A. M. Sharp. Economics of Social Issues. 4th ed. USA: Business Publications, 1980.

MLA-viite (9. p.)

Leftwich, R. H., ja A. M. Sharp. Economics of Social Issues. 4th ed. Business Publications, 1980.