Ariyaratna, A. T., & Ratnapala, N. (1980). Collected works. Sarvodaya Research Institute.
Cita Chicago (17th ed.)Ariyaratna, A. T., i Nandasena Ratnapala. Collected Works. Dehiwala, Sri Lanka: Sarvodaya Research Institute, 1980.
Cita MLA (8th ed.)Ariyaratna, A. T., i Nandasena Ratnapala. Collected Works. Sarvodaya Research Institute, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.