1.
, . Letters [Introductions]. Washington D.C.: The Catholic University of America Press; 1989.
et . Letters [Introductions]. Washington D.C. : The Catholic University of America Press, 21 mai 1989. ISBN 0813200814
Augustin & Eno Robert B. (1989). Letters [Introductions]: 1-29. The Catholic University of America Press.
MLA (8th ed.) CitationAugustin and Eno Robert B. Letters [Introductions]: 1-29. The Catholic University of America Press, 1989.
Warning: These citations may not always be 100% accurate.