APA (7e ed.) Bronvermelding
Spiegel, M. R., & Stephens, L. J. (1992). Schaum's outline of theory and problems of statistics: SI units (2nd ed.). McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Spiegel, Murray R., en Larry J. Stephens. Schaum's Outline of Theory and Problems of Statistics: SI Units. 2nd ed. New York: McGraw-Hill, 1992.
MLA (9e ed.) Bronvermelding
Spiegel, Murray R., en Larry J. Stephens. Schaum's Outline of Theory and Problems of Statistics: SI Units. 2nd ed. McGraw-Hill, 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.