Dyfyniad APA
Spiegel, M. R., & Stephens, L. J. (1992). Schaum's outline of theory and problems of statistics: SI units (2nd ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Spiegel, Murray R., and Larry J. Stephens. Schaum's Outline of Theory and Problems of Statistics: SI Units. 2nd ed. New York: McGraw-Hill, 1992.
Dyfyniad MLA
Spiegel, Murray R., and Larry J. Stephens. Schaum's Outline of Theory and Problems of Statistics: SI Units. 2nd ed. McGraw-Hill, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.