Gaya APA

Hybels, B. (1988). Too Busy Not To Pray (1). : Amerika, Intervarsity press Amerika, Intervarsity press Amerika, Intervarsity press.

Gaya MLA

Hybels, Bill. "Too Busy Not To Pray". 1 : Amerika, Intervarsity press Amerika, Intervarsity press Amerika, Intervarsity press, 1988. Text.