Dyfyniad APA

BUDLONG MO. (1998). TEACH YOURSELF COBOL IN 21 DAYS (2ND.). TECHMEDIA.

Dyfyniad Arddull Chicago

BUDLONG MO. TEACH YOURSELF COBOL IN 21 DAYS. 2ND. NEW DELHI: TECHMEDIA, 1998.

Dyfyniad MLA

BUDLONG MO. TEACH YOURSELF COBOL IN 21 DAYS. 2ND. TECHMEDIA, 1998.

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