Cita APA (7a ed.)

Leftwich, R. H., & Sharp, A. M. (1978). Economics of social issues (3d ed.). Business Publications.

Cita Chicago Style (17a ed.)

Leftwich, Richard H., y Ansel M. Sharp. Economics of Social Issues. 3d ed. Dallas: Business Publications, 1978.

Cita MLA (8a ed.)

Leftwich, Richard H., y Ansel M. Sharp. Economics of Social Issues. 3d ed. Business Publications, 1978.