Collins, G. R. (1986). Innovative approaches to counseling. Resources for Christian counseling.
Citazione stile Chigago Style (17a edizione)Collins, Gary R. "Innovative Approaches to Counseling." Resources for Christian Counseling 1986.
Citatione MLA (8a ed.)Collins, Gary R. "Innovative Approaches to Counseling." Resources for Christian Counseling, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.