Cottrell, S. (2019). The study skills handbook (Fifth edition.). Red Globe Press.
Lua i Stíl Chicago (17ú heag.)Cottrell, Stella. The Study Skills Handbook. Fifth edition. London: Red Globe Press, 2019.
Lua MLA (9ú heag.)Cottrell, Stella. The Study Skills Handbook. Fifth edition. Red Globe Press, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.