APA aipamena

Chester, T., & Alden, R. H. (1997). Mastering Excel 97 (4th ed.). BPB.

Chicago Style aipamena

Chester, Thomas, and Richard H. Alden. Mastering Excel 97. 4th ed. New Delhi: BPB, 1997.

MLA aipamena

Chester, Thomas, and Richard H. Alden. Mastering Excel 97. 4th ed. BPB, 1997.