Central Lawbook Publishing Co. (1988). Citizenship, naturalization, immigration, and alien registration laws (4th ed.). Central Lawbook Pub. Co.
Chicago-viite (17. p.)Central Lawbook Publishing Co. Citizenship, Naturalization, Immigration, and Alien Registration Laws. 4th ed. Quezon City: Central Lawbook Pub. Co, 1988.
MLA-viite (9. p.)Central Lawbook Publishing Co. Citizenship, Naturalization, Immigration, and Alien Registration Laws. 4th ed. Central Lawbook Pub. Co, 1988.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.