Style de citation APA (7e éd.)

Overbeek, R. A., & Singletary, W. E. (1986). Introduction to COBOL: A primer and programming guide. Addison-Wesley Pub. Co..

Style de citation Chicago (17e éd.)

Overbeek, Ross A., et Wilson E. Singletary. Introduction to COBOL: A Primer and Programming Guide. Reading, Mass.: Addison-Wesley Pub. Co., 1986.

Style de citation MLA (9e éd.)

Overbeek, Ross A., et Wilson E. Singletary. Introduction to COBOL: A Primer and Programming Guide. Addison-Wesley Pub. Co., 1986.