APA aipamena

Stern, N. B., Stern, R. A., & Stern, N. (1999). Structured COBOL programming (8th ed., Year 2000 update ed.). Wiley.

Chicago Style aipamena

Stern, Nancy B., Robert A. Stern, and Nancy Stern. Structured COBOL Programming. 8th ed., Year 2000 update ed. New York: Wiley, 1999.

MLA aipamena

Stern, Nancy B., et al. Structured COBOL Programming. 8th ed., Year 2000 update ed. Wiley, 1999.