Preston, J. (1986). The heir: By John Preston. Caliente.
Lua i Stíl Chicago (17ú heag.)Preston, John. The Heir: By John Preston. Austin, Tex.: Caliente, 1986.
Lua MLA (8ú heag.)Preston, John. The Heir: By John Preston. Caliente, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.