Παραπομπή APA
La Vigna, G. W. (1994). The periodic service review: A total quality assurance system for human services and education. Baltimore: P.H. Brooks.
Παραπομπή Chicago StyleLa Vigna, Gary W. The Periodic Service Review: A Total Quality Assurance System for Human Services and Education. Baltimore: P.H. Brooks, 1994.
Παραπομπή MLALa Vigna, Gary W. The Periodic Service Review: A Total Quality Assurance System for Human Services and Education. Baltimore: P.H. Brooks, 1994.
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