Hybels,Bill, & Neff, L. (1987). Who you are when no one's looking. InterVarsity press.
芝加哥风格引文Hybels,Bill, 与 LaVonne Neff. Who You Are When No One's Looking. Illinois: InterVarsity press, 1987.
MLA引文Hybels,Bill, 与 LaVonne Neff. Who You Are When No One's Looking. InterVarsity press, 1987.
警告：这些引文格式不一定是100％准确.