Lua APA (7ú heag.)
Engel, J. F. (1979). Contemporary Christian communications: Its theory and practice. T. Nelson.
Lua i Stíl Chicago (17ú heag.)
Engel, James F. Contemporary Christian Communications: Its Theory and Practice. Nashville: T. Nelson, 1979.
Lua MLA (9ú heag.)
Engel, James F. Contemporary Christian Communications: Its Theory and Practice. T. Nelson, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.