APA aipamena

Devault, M. V. e. d. (1961). Improving mathematics programs: Trends and issues in the elementary school. Merrill.

Chicago Style aipamena

Devault, M. Verde e d. Improving Mathematics Programs: Trends and Issues in the Elementary School. Columbus, Ohio: Merrill, 1961.

MLA aipamena

Devault, M. Verde e d. Improving Mathematics Programs: Trends and Issues in the Elementary School. Merrill, 1961.