Index Canonicus

Παραπομπή σε μορφή APA (7η εκδ.)

Tierney, B., Ullmann, W., & Linehan, P. (1980). Authority and power: Studies on medieval law and government presented to Walter Ullmann on his seventieth birthday. Cambridge Univ. Pr.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Tierney, Brian, Walter Ullmann, και Peter Linehan. Authority and Power: Studies on Medieval Law and Government Presented to Walter Ullmann on His Seventieth Birthday. Cambridge [u.a.]: Cambridge Univ. Pr, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Tierney, Brian, et al. Authority and Power: Studies on Medieval Law and Government Presented to Walter Ullmann on His Seventieth Birthday. Cambridge Univ. Pr, 1980.