Cita APA (7a ed.)

Walkenbach, J. (2013). Excel 2013 formulas (1st edition.). John Wiley & Sons Inc.

Cita Chicago Style (17a ed.)

Walkenbach, John. Excel 2013 Formulas. 1st edition. Hoboken, New Jersey: John Wiley & Sons Inc, 2013.

Cita MLA (9a ed.)

Walkenbach, John. Excel 2013 Formulas. 1st edition. John Wiley & Sons Inc, 2013.