Style de citation APA (7e éd.)
Welburn, T. (1983). Advanced Structured COBOL: Batch, On-line, and Data-base Concepts (1. ed.). Mayfield Publ. Co.
Style de citation Chicago (17e éd.)
Welburn, Tyler. Advanced Structured COBOL: Batch, On-line, and Data-base Concepts. 1. ed. Palo Alto: Mayfield Publ. Co, 1983.
Style de citation MLA (9e éd.)
Welburn, Tyler. Advanced Structured COBOL: Batch, On-line, and Data-base Concepts. 1. ed. Mayfield Publ. Co, 1983.
Attention : ces citations peuvent ne pas être correctes à 100%.