Grant, A. (2021). Think Again. Penguin.
Lua i Stíl Chicago (17ú heag.)Grant, Adam. Think Again. Penguin, 2021.
Lua MLA (9ú heag.)Grant, Adam. Think Again. Penguin, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.