APA-viite

Petta, S., Macaluso, F. S., Barcellona, M. R., Cammà, C., Cabibi, D., Di Marco, V., & Craxì, A. (2012). Serum γ-glutamyl Transferase Levels, Insulin Resistance and Liver Fibrosis in Patients with Chronic Liver Diseases. Public Library of Science.

Chicago-tyylinen lähdeviittaus

Petta, Salvatore, Fabio Salvatore Macaluso, Maria Rosa Barcellona, Calogero Cammà, Daniela Cabibi, Vito Di Marco, ja Antonio Craxì. Serum γ-glutamyl Transferase Levels, Insulin Resistance and Liver Fibrosis in Patients With Chronic Liver Diseases. Public Library of Science, 2012.

MLA-viite

Petta, Salvatore, et al. Serum γ-glutamyl Transferase Levels, Insulin Resistance and Liver Fibrosis in Patients With Chronic Liver Diseases. Public Library of Science, 2012.

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