Lua APA (7ú heag.)

Bello, A. L. (2007). Economics: An introduction. C & E Pub.

Lua i Stíl Chicago (17ú heag.)

Bello, Amelia L. Economics: An Introduction. Quezon City: C & E Pub, 2007.

Lua MLA (9ú heag.)

Bello, Amelia L. Economics: An Introduction. C & E Pub, 2007.

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