APA ציטוט

Stuart J. Murphy. (1997). "Betcha! Estimating (Mathstart, Level 3)". HarperCollins.

Chicago Style (17th ed.) Citation

Stuart J. Murphy. "Betcha! Estimating (Mathstart, Level 3)". HarperCollins, 1997.

ציטוט MLA

Stuart J. Murphy. "Betcha! Estimating (Mathstart, Level 3)". HarperCollins, 1997.