Birbalsingh, F. The grass is singing: the african vision of Doris Lessing: Frank Birbalsingh. Tensions between north and south : studies in modern commonwealth literature and culture : proceedings of the 8. Commonwealth Literature Conference.(1990).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Birbalsingh, Frank. "The Grass Is Singing: The African Vision of Doris Lessing: Frank Birbalsingh." Tensions Between North and South : Studies in Modern Commonwealth Literature and Culture : Proceedings of the 8. Commonwealth Literature Conference.(1990) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Birbalsingh, Frank. "The Grass Is Singing: The African Vision of Doris Lessing: Frank Birbalsingh." Tensions Between North and South : Studies in Modern Commonwealth Literature and Culture : Proceedings of the 8. Commonwealth Literature Conference.(1990), .