Ducasse, A. M., Glöckler, O., & Platen, A. (2010). Interaction in paired oral proficiency assessment in Spanish: Rater and candidate input into evidence based scale development and construct definition. Peter Lang.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ducasse, Ana Maria, Olaf Glöckler, و Atelier Platen. Interaction in Paired Oral Proficiency Assessment in Spanish: Rater and Candidate Input into Evidence Based Scale Development and Construct Definition. Frankfurt am Main, Germany: Peter Lang, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ducasse, Ana Maria, et al. Interaction in Paired Oral Proficiency Assessment in Spanish: Rater and Candidate Input into Evidence Based Scale Development and Construct Definition. Peter Lang, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.