Cita APA (7th ed.)

Lake, L. H., & Mc Knight, J. (2015). Proc Tabulate by Example (Second Edition.). SAS Institute Inc..

Cita Chicago (17th ed.)

Lake, Lauren Haworth, i Julia Mc Knight. Proc Tabulate by Example. Second Edition. Cary, North Carolina: SAS Institute Inc., 2015.

Cita MLA (8th ed.)

Lake, Lauren Haworth, i Julia Mc Knight. Proc Tabulate by Example. Second Edition. SAS Institute Inc., 2015.