GRIMALDI, R. P. (2002). DISCRETE AND COMBINATORIAL MATHEMATICS 4TH EDI. PEARSON.
Lua i Stíl Chicago (17ú heag.)GRIMALDI, R P. DISCRETE AND COMBINATORIAL MATHEMATICS 4TH EDI. DELHI: PEARSON, 2002.
Lua MLA (9ú heag.)GRIMALDI, R P. DISCRETE AND COMBINATORIAL MATHEMATICS 4TH EDI. PEARSON, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.