APA-Zitierstil (7. Ausg.)

Cruz, I. A. (1989). Constitutional law (1989 ed.). Central Lawbook Pub. Co.

Chicago-Zitierstil (17. Ausg.)

Cruz, Isagani A. Constitutional Law. 1989 ed. Quezon City: Central Lawbook Pub. Co, 1989.

MLA-Zitierstil (9. Ausg.)

Cruz, Isagani A. Constitutional Law. 1989 ed. Central Lawbook Pub. Co, 1989.