Meddis, R. (1975). Statistical handbook for non-statisticians. McGraw-Hill.
Dyfyniad Arddull ChicagoMeddis, Ray. Statistical Handbook for Non-statisticians. London: McGraw-Hill, 1975.
Dyfyniad MLAMeddis, Ray. Statistical Handbook for Non-statisticians. McGraw-Hill, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.