Cita APA (7th ed.)

Stern, N. B., & Stern, R. A. (2000). Structured Cobol Programming: For the year 2000 and beyond. John Wiley & Sons.

Cita Chicago (17th ed.)

Stern, Nancy B., i Robert A. Stern. Structured Cobol Programming: For the Year 2000 and Beyond. New York: John Wiley & Sons, 2000.

Cita MLA (9th ed.)

Stern, Nancy B., i Robert A. Stern. Structured Cobol Programming: For the Year 2000 and Beyond. John Wiley & Sons, 2000.