APA ציטוט

Marshall, M. (2008). Positive polynomials and sums of squares. Providence, R.I.: American Mathematical Society.

Trích dẫn kiểu Chicago

Marshall, Murray. Positive Polynomials and Sums of Squares. Providence, R.I.: American Mathematical Society, 2008.

ציטוט MLA

Marshall, Murray. Positive Polynomials and Sums of Squares. Providence, R.I.: American Mathematical Society, 2008.