Stevens, D. (1985). Called to care. Zondervan.
Lua i Stíl Chicago (17ú heag.)Stevens, Doug. Called to Care. Michigan: Zondervan, 1985.
Lua MLA (9ú heag.)Stevens, Doug. Called to Care. Zondervan, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.