Cita APA (7th ed.)

YOURDON EDWARDS. (1982). LEARNING TO PROGRAMME IN STRUCTURED COBOL. PRENTICE -HALL INTERNATIONAL, INC.

Cita Chicago (17th ed.)

YOURDON EDWARDS. LEARNING TO PROGRAMME IN STRUCTURED COBOL. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1982.

Cita MLA (9th ed.)

YOURDON EDWARDS. LEARNING TO PROGRAMME IN STRUCTURED COBOL. PRENTICE -HALL INTERNATIONAL, INC, 1982.