Hunter, J. E. (1967). Let us go on to maturity. Zondervan Publishing House.
Citazione stile Chigago Style (17a edizione)Hunter, John E. Let Us Go on to Maturity. Michigan: Zondervan Publishing House, 1967.
Citatione MLA (9a ed.)Hunter, John E. Let Us Go on to Maturity. Zondervan Publishing House, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.