OSTLER, N. K. Sampling and analysis. Vol.4. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)OSTLER, Neal K. Sampling and Analysis. Vol.4. Prentice Hall.
Lua MLA (8ú heag.)OSTLER, Neal K. Sampling and Analysis. Vol.4. Prentice Hall.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.