APA

walkenbach j., underdahl b., . (2002). excel 2002 : programming with vba bible. new delhi: idg books india.

Chicago

walkenbach john, underdahl brian, . 2002. excel 2002 : programming with vba bible. new delhi: idg books india.

Harvard

walkenbach j., underdahl b., . (2002). excel 2002 : programming with vba bible. new delhi: idg books india.

MLA

walkenbach john, underdahl brian, . excel 2002 : programming with vba bible. new delhi: idg books india. 2002.