Cita APA

Abel, P. (1989). COBOL programming: A structured approach (3rd ed.). Prentice Hall.

Citación estilo Chicago

Abel, Peter. COBOL Programming: A Structured Approach. 3rd ed. Englewood Cliffs, N.J.: Prentice Hall, 1989.

Cita MLA

Abel, Peter. COBOL Programming: A Structured Approach. 3rd ed. Prentice Hall, 1989.

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