Dyfyniad APA

Lutz, H., Buscarini, E., & Mirk, P. (2013). Manual of diagnostic ultrasound (Second edition.). World Health Organization.

Dyfyniad Arddull Chicago

Lutz, Harald, Elisabetta Buscarini, and Paoletta Mirk. Manual of Diagnostic Ultrasound. Second edition. Geneva, Switzerland: World Health Organization, 2013.

Dyfyniad MLA

Lutz, Harald, et al. Manual of Diagnostic Ultrasound. Second edition. World Health Organization, 2013.

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