Lua APA (7ú heag.)

Okun, B., & Richardson, R. W. (1961). Studies in economic development. Holt, Rinehart and Winston.

Lua i Stíl Chicago (17ú heag.)

Okun, Bernard, agus Richard W. Richardson. Studies in Economic Development. New York: Holt, Rinehart and Winston, 1961.

Lua MLA (9ú heag.)

Okun, Bernard, agus Richard W. Richardson. Studies in Economic Development. Holt, Rinehart and Winston, 1961.

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