APA Style

Charles, Randall, Lester, Frank. (1987). How to evaluate progress in problem solving . Reston: National Council of teachers of mathematics.

Chicago Style

Charles, Randall, Lester, Frank. How to evaluate progress in problem solving. Reston: National Council of teachers of mathematics, 1987. Buku.

MLA Style

Charles, Randall, Lester, Frank. How to evaluate progress in problem solving. Reston: National Council of teachers of mathematics, 1987. Buku.

Turabian Style

Charles, Randall, Lester, Frank. How to evaluate progress in problem solving. Reston: National Council of teachers of mathematics, 1987. Buku.