Petry, R. C. (1971). Studies in Medieval Culture, III. Edited by John R. Sommerfeldt. The Medieval Institute. Kalamazoo: Western Michigan University, 1970. 195 pp. 5.00 for institutions. Church history, 40(4), 481. doi:10.2307/3163579
Цитирование в стиле Чикаго (17-е изд.)Petry, Ray C. "Studies in Medieval Culture, III. Edited by John R. Sommerfeldt. The Medieval Institute. Kalamazoo: Western Michigan University, 1970. 195 Pp. 5.00 for Institutions." Church History 40, no. 4 (1971): 481, https://doi.org/10.2307/3163579.
Цитирование MLA (9-е изд.)Petry, Ray C. "Studies in Medieval Culture, III. Edited by John R. Sommerfeldt. The Medieval Institute. Kalamazoo: Western Michigan University, 1970. 195 Pp. 5.00 for Institutions." Church History, vol. 40, no. 4, 1971, p. 481, https://doi.org/10.2307/3163579.
