APA (7th ed.) Citation

Welburn, T. (1983). Advanced structured COBOL: Batch, on-line, and data-base concepts.

Chicago Style (17th ed.) Citation

Welburn, Tyler. Advanced Structured COBOL: Batch, On-line, and Data-base Concepts. 1983.

MLA (9th ed.) Citation

Welburn, Tyler. Advanced Structured COBOL: Batch, On-line, and Data-base Concepts. 1983.

Warning: These citations may not always be 100% accurate.