Lua APA (7ú heag.)
Yerima, A. (2013). Heart of stone: Drama. Kraftgriots.
Lua i Stíl Chicago (17ú heag.)
Yerima, Ahmed. Heart of Stone: Drama. Oyo State, Nigeria: Kraftgriots, 2013.
Lua MLA (9ú heag.)
Yerima, Ahmed. Heart of Stone: Drama. Kraftgriots, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.