Lua APA (7ú heag.)

Stern, N. B., & Stern, R. A. (1997). Structured COBOL programming (8th ed.). Wiley.

Lua i Stíl Chicago (17ú heag.)

Stern, Nancy B., agus Robert A. Stern. Structured COBOL Programming. 8th ed. New York: Wiley, 1997.

Lua MLA (8ú heag.)

Stern, Nancy B., agus Robert A. Stern. Structured COBOL Programming. 8th ed. Wiley, 1997.

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