Lua APA (7ú heag.)

FRYER, D. World economic development. McGraw-Hill Book Company.

Lua i Stíl Chicago (17ú heag.)

FRYER, D.W. World Economic Development. McGraw-Hill Book Company.

Lua MLA (8ú heag.)

FRYER, D.W. World Economic Development. McGraw-Hill Book Company.

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