APA-viite

Pei, X. Q., Liu, L. Z., Liu, M., Zheng, W., Han, F., Li, A. H., & Cai, M. Y. (2012). Contrast-enhanced ultrasonography of hepatocellular carcinoma: Correlation between quantitative parameters and histological grading. The British Institute of Radiology.

Chicago-tyylinen lähdeviittaus

Pei, X Q., L Z. Liu, M. Liu, W. Zheng, F. Han, A H. Li, ja M Y. Cai. Contrast-enhanced Ultrasonography of Hepatocellular Carcinoma: Correlation between Quantitative Parameters and Histological Grading. The British Institute of Radiology, 2012.

MLA-viite

Pei, X Q., et al. Contrast-enhanced Ultrasonography of Hepatocellular Carcinoma: Correlation between Quantitative Parameters and Histological Grading. The British Institute of Radiology, 2012.

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