Cita APA

National Assessment of Educational Progress. (1979). The second assessment of mathematics, 1977-78: Released exercise set. The Assessment.

Citación estilo Chicago

National Assessment of Educational Progress. The Second Assessment of Mathematics, 1977-78: Released Exercise Set. Dever: The Assessment, 1979.

Cita MLA

National Assessment of Educational Progress. The Second Assessment of Mathematics, 1977-78: Released Exercise Set. The Assessment, 1979.