APA

National Council of Teachers of Mathematics, . (1972). Medida. México: Trillas.

Chicago

National Council of Teachers of Mathematics, . 1972. Medida. México: Trillas.

Harvard

National Council of Teachers of Mathematics, . (1972). Medida. México: Trillas.

MLA

National Council of Teachers of Mathematics, . Medida. México: Trillas. 1972.