Παραπομπή APA

Galenkamp, H., Stronks, K., Snijder, M. B., & Derks, E. M. (2017). Measurement invariance testing of the PHQ-9 in a multi-ethnic population in Europe: The HELIUS study. BMC Psychiatry.

Παραπομπή Chicago Style

Galenkamp, Henrike, Karien Stronks, Marieke B. Snijder, και Eske M. Derks. "Measurement Invariance Testing of the PHQ-9 in a Multi-ethnic Population in Europe: The HELIUS Study." BMC Psychiatry 2017.

Παραπομπή MLA

Galenkamp, Henrike, Karien Stronks, Marieke B. Snijder, και Eske M. Derks. "Measurement Invariance Testing of the PHQ-9 in a Multi-ethnic Population in Europe: The HELIUS Study." BMC Psychiatry 2017.

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