Petersen, W. L. (1985). The Diatessaron and Ephrem Syrus as sources of Romanos the Melodist: By William L. Petersen. Peeters.
Цитирование в стиле Чикаго (17-е изд.)Petersen, William Lawrence. The Diatessaron and Ephrem Syrus as Sources of Romanos the Melodist: By William L. Petersen. Lovanii: Peeters, 1985.
Цитирование MLA (8-е изд.)Petersen, William Lawrence. The Diatessaron and Ephrem Syrus as Sources of Romanos the Melodist: By William L. Petersen. Peeters, 1985.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.