APA Edition Citation

Albany, E. A. Nuffield mathematics 2: Early stages of substraction (N7): a first at place value (N8).

Chicago Edition Citation

Albany, Eric A. Nuffield Mathematics 2: Early Stages of Substraction (N7): A First at Place Value (N8).

MLA Edition Citation

Albany, Eric A. Nuffield Mathematics 2: Early Stages of Substraction (N7): A First at Place Value (N8).

Warning: These citations may not always be 100% accurate.