James A Saxon. (1971). COBOL: A self insturctional manual. Newjersey.
Chicago Edition CitationJames A Saxon. COBOL: A Self Insturctional Manual. Newjersey, 1971.
MLA Edition CitationJames A Saxon. COBOL: A Self Insturctional Manual. Newjersey, 1971.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.