Lua APA (7ú heag.)

Leftwich, R. H., & Sharp, A. M. (1982). Economics of social issues (5th ed.). Business Publications ; Irwin-Dorsey.

Lua i Stíl Chicago (17ú heag.)

Leftwich, Richard H., agus Ansel Miree Sharp. Economics of Social Issues. 5th ed. Plano, Tex. : Georgetown, Ont.: Business Publications ; Irwin-Dorsey, 1982.

Lua MLA (8ú heag.)

Leftwich, Richard H., agus Ansel Miree Sharp. Economics of Social Issues. 5th ed. Business Publications ; Irwin-Dorsey, 1982.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.