Tohutoro APA (7th ed.)

Weltens, H. H. (1989). The attrition of French as a foreign language. Foris Publications.

Tohutoru Kātū Chicago (17th ed.)

Weltens, Hubertus H. The Attrition of French as a Foreign Language. Dordrecht [The Netherlands]: Foris Publications, 1989.

Tohutoro MLA (9th ed.)

Weltens, Hubertus H. The Attrition of French as a Foreign Language. Foris Publications, 1989.