Style de citation APA

Vendel, T. M., & Williams, W. H. (1969). Introduction to data processing and COBOL. McGraw-Hill.

Style de citation Chicago

Vendel, Thomas M., et William H. Williams. Introduction to Data Processing and COBOL. New York: McGraw-Hill, 1969.

Style de citation MLA

Vendel, Thomas M., et William H. Williams. Introduction to Data Processing and COBOL. McGraw-Hill, 1969.