Richesson, R., & Turley, J. P. (2003). Conceptual models: Definitions, construction, and applications in public health surveillance. Springer-Verlag.
استشهاد بنمط شيكاغوRichesson, Rachel, و James P. Turley. Conceptual Models: Definitions, Construction, and Applications in Public Health Surveillance. Springer-Verlag, 2003.
MLA استشهادRichesson, Rachel, و James P. Turley. Conceptual Models: Definitions, Construction, and Applications in Public Health Surveillance. Springer-Verlag, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.