APA aipamena

Ridgway, J. (1988). Assessing mathematical attainment. NFER-Nelson.

Chicago Style aipamena

Ridgway, Jim. Assessing Mathematical Attainment. England: NFER-Nelson, 1988.

MLA aipamena

Ridgway, Jim. Assessing Mathematical Attainment. NFER-Nelson, 1988.