Παραπομπή APA

Pollard, B., Johnston, M., & Dixon, D. (2012). Exploring differential item functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). BioMed Central.

Παραπομπή Chicago Style

Pollard, Beth, Marie Johnston, και Diane Dixon. Exploring Differential Item Functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). BioMed Central, 2012.

Παραπομπή MLA

Pollard, Beth, Marie Johnston, και Diane Dixon. Exploring Differential Item Functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). BioMed Central, 2012.

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