Martin, W. R. (1962). Essential christianity: A handbook of basic christian doctrines. Zondervan.
Chicago-čujuhus (17. p.)Martin, Walter. R. Essential Christianity: A Handbook of Basic Christian Doctrines. Michigan: Zondervan, 1962.
MLA-čujuhus (9. p.)Martin, Walter. R. Essential Christianity: A Handbook of Basic Christian Doctrines. Zondervan, 1962.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.