Lua APA (7ú heag.)
Wiersbe, W. W. (1981). Giant steps: Daily devotions from spiritual giants of the past. Baker Book House.
Lua i Stíl Chicago (17ú heag.)
Wiersbe, Warren W. Giant Steps: Daily Devotions from Spiritual Giants of the Past. Michigan: Baker Book House, 1981.
Lua MLA (9ú heag.)
Wiersbe, Warren W. Giant Steps: Daily Devotions from Spiritual Giants of the Past. Baker Book House, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.