Lua APA (7ú heag.)

(1988). The attrition of French as a foreign language / Bert Weltens.

Lua i Stíl Chicago (17ú heag.)

The Attrition of French as a Foreign Language / Bert Weltens. 1988.

Lua MLA (9ú heag.)

The Attrition of French as a Foreign Language / Bert Weltens. 1988.

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