sullivan, m. (2018). precalculus (10th. ed.). pearson.
Lua i Stíl Chicago (17ú heag.)sullivan, michael. Precalculus. 10th. ed. england: pearson, 2018.
Lua MLA (9ú heag.)sullivan, michael. Precalculus. 10th. ed. pearson, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.