Math is language too :
talking and writing in the mathematics classroom /
Phyllis Whitin, David J. Whitin.

APA Citation

Whitin, P., Whitin, D. Jackman. (2000). Math is language too: talking and writing in the mathematics classroom. Urbana, Ill.: National Council of Teachers of English.

MLA Citation

Whitin, Phyllis, and David Jackman Whitin. Math Is Language Too: Talking And Writing In the Mathematics Classroom. Urbana, Ill.: National Council of Teachers of English, 2000.

Warning: These citations may not always be complete (especially for serials).