School Mathematics Study Group, Wilson, J. W., Cahen, L. S., & Begle, E. G. (1968). Description and statistical properties of population scales. Leland Stanford Junior University.
Chicago Style (17. basım) AtıfSchool Mathematics Study Group, James W. Wilson, Leonard S. Cahen, ve Edward G. Begle. Description and Statistical Properties of Population Scales. Stanford, CA: Leland Stanford Junior University, 1968.
MLA (9th ed.) AtıfSchool Mathematics Study Group, et al. Description and Statistical Properties of Population Scales. Leland Stanford Junior University, 1968.
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