(1988). The attrition of French as a foreign language / Bert Weltens.
Cita Chicago (17th ed.)The Attrition of French as a Foreign Language / Bert Weltens. 1988.
Cita MLA (9th ed.)The Attrition of French as a Foreign Language / Bert Weltens. 1988.
Atenció: Aquestes cites poden no estar 100% correctes.