Lua APA (7ú heag.)

Roldan, C. A. (2005). The ultimate echo guide. Lippincott Williams & Wilkins.

Lua i Stíl Chicago (17ú heag.)

Roldan, Carlos A. The Ultimate Echo Guide. Philadelphia: Lippincott Williams & Wilkins, 2005.

Lua MLA (9ú heag.)

Roldan, Carlos A. The Ultimate Echo Guide. Lippincott Williams & Wilkins, 2005.

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