APA ציטוט

(1991). Discrete mathematics across the curriculum, K-12: 1991 yearbook. Reston, Virginia: National Council of Teachers of Mathematics.

Trích dẫn kiểu Chicago

Discrete Mathematics Across the Curriculum, K-12: 1991 Yearbook. Reston, Virginia: National Council of Teachers of Mathematics, 1991.

ציטוט MLA

Discrete Mathematics Across the Curriculum, K-12: 1991 Yearbook. Reston, Virginia: National Council of Teachers of Mathematics, 1991.