Cust, R. N. (1975). A sketch of the modern languages of the East Indies. Accompanied by two language-maps [microform]. Photoduplication Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cust, Robert Needhan. A Sketch of the Modern Languages of the East Indies. Accompanied by Two Language-maps [microform]. Quezon City: Photoduplication Service, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cust, Robert Needhan. A Sketch of the Modern Languages of the East Indies. Accompanied by Two Language-maps [microform]. Photoduplication Service, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.