Gaya APA

S., T, A. ( Gateway Edition). Treatise on law: Summa Theologica, questions 90-97. Introd. by Stanley Parry. : Summa Theologica. . : South Bend.

Gaya MLA

S., Thomas, Aquinas,. "Treatise on law: Summa Theologica, questions 90-97. Introd. by Stanley Parry. : Summa Theologica. ". : South Bend, Gateway Edition. Buku.