APA引文

(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.

MLA引文

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

警告：这些引文格式不一定是100％准确.