Dyfyniad APA

Lutz, H. B. (2011). Manual of diagnostic ultrasound (2nd.). World Health Organization.

Dyfyniad Arddull Chicago

Lutz, Harald Buscarini. Manual of Diagnostic Ultrasound. 2nd. Geneva, Switzerland: World Health Organization, 2011.

Dyfyniad MLA

Lutz, Harald Buscarini. Manual of Diagnostic Ultrasound. 2nd. World Health Organization, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.