Cita APA (7th ed.)
Gleason, W. (1981). Statistics a first course. Wadsworth Pub Comp.
Cita Chicago (17th ed.)
Gleason, Walter. Statistics a First Course. California: Wadsworth Pub Comp, 1981.
Cita MLA (9th ed.)
Gleason, Walter. Statistics a First Course. Wadsworth Pub Comp, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.