Fountoulakis, K. N., lacovides, A., Samolis, S., Kleanthous, S., Kaprinis, S. G., Kaprinis, G. S., & Bech, P. (2001). Reliability, validity and psychometric properties of the Greek translation of the zung depression rating scale. BioMed Central.

Fountoulakis, Konstantinos N., Apostolos lacovides, Stavros Samolis, Soula Kleanthous, Stergios G. Kaprinis, George St Kaprinis, och Per Bech. Reliability, Validity and Psychometric Properties of the Greek Translation of the Zung Depression Rating Scale. BioMed Central, 2001.

Fountoulakis, Konstantinos N., et al. Reliability, Validity and Psychometric Properties of the Greek Translation of the Zung Depression Rating Scale. BioMed Central, 2001.