APA ציטוט

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.

ציטוט MLA

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