APA
HARRELL-WILLIAMS L. M., . (2014). Validation of scores from a new measure of preservice teachers' self-efficacy to teach statistics in the middle grades. California: Sage.
Chicago
HARRELL-WILLIAMS Leigh M, . 2014. Validation of scores from a new measure of preservice teachers' self-efficacy to teach statistics in the middle grades. California: Sage.
Harvard
HARRELL-WILLIAMS L. M., . (2014). Validation of scores from a new measure of preservice teachers' self-efficacy to teach statistics in the middle grades. California: Sage.
MLA
HARRELL-WILLIAMS Leigh M, . Validation of scores from a new measure of preservice teachers' self-efficacy to teach statistics in the middle grades. California: Sage. 2014.