Lazos, H. (1981). A study of the relationship of language proficiency in the mother tongue and acquisition of second language reading skills in bilingual children at age twelve. The University of Texas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lazos, Hector. A Study of the Relationship of Language Proficiency in the Mother Tongue and Acquisition of Second Language Reading Skills in Bilingual Children at Age Twelve. Austin: The University of Texas, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lazos, Hector. A Study of the Relationship of Language Proficiency in the Mother Tongue and Acquisition of Second Language Reading Skills in Bilingual Children at Age Twelve. The University of Texas, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.