WELLING, M. &. O. MATHEMATCAL & STATISCAL TECHNIQUES - II.
Lua i Stíl Chicago (17ú heag.)WELLING, M.N. & OTHERS. MATHEMATCAL & STATISCAL TECHNIQUES - II.
Lua MLA (9ú heag.)WELLING, M.N. & OTHERS. MATHEMATCAL & STATISCAL TECHNIQUES - II.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.