Lua APA (7ú heag.)
Howard, M. D. (1969). The costly harvest. Tyndale House Publishers.
Lua i Stíl Chicago (17ú heag.)
Howard, M David. The Costly Harvest. Wheaton: Tyndale House Publishers, 1969.
Lua MLA (9ú heag.)
Howard, M David. The Costly Harvest. Tyndale House Publishers, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.