Lua APA (7ú heag.)

Stern, N. B., & Stern, R. A. (1991). Structured COBOL programming (6th ed.). Wiley.

Lua i Stíl Chicago (17ú heag.)

Stern, Nancy B., agus Robert A. Stern. Structured COBOL Programming. 6th ed. New York: Wiley, 1991.

Lua MLA (8ú heag.)

Stern, Nancy B., agus Robert A. Stern. Structured COBOL Programming. 6th ed. Wiley, 1991.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.