Gaya APA

Schaff, P., Wace, H. (1999). Nicene and Post-Nicene Fathers Second Series: Volume 13 Part II: Gregory the Great, Ephraim Syrus, Aphrahat (Second Edition). USA: Hendrickson Publishers.

Gaya MLA

Schaff, Philip., Wace, Henry. "Nicene and Post-Nicene Fathers Second Series: Volume 13 Part II: Gregory the Great, Ephraim Syrus, Aphrahat". Second Edition USA: Hendrickson Publishers, 1999. Commentary.