Παραπομπή σε μορφή APA (7η εκδ.)

Carl J. Sheperis, M. H. D. Counseling Research: Quantitative, Qualitative, and Mixed Methods (1.). Pearson India.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Carl J. Sheperis, M. Harry Daniels. Counseling Research: Quantitative, Qualitative, and Mixed Methods. 1. Pearson India.

Παραπομπή σε μορφή MLA (8th εκδ.)

Carl J. Sheperis, M. Harry Daniels. Counseling Research: Quantitative, Qualitative, and Mixed Methods. 1. Pearson India.