APA Citatie

Holt, M., & Marjoram, D. T. E. (1973). Mathematics in a changing world. Heinemann Educational.

Chicago Style citaat

Holt, Michael, en D T E. Marjoram. Mathematics in a Changing World. London: Heinemann Educational, 1973.

MLA citatie

Holt, Michael, en D T E. Marjoram. Mathematics in a Changing World. Heinemann Educational, 1973.