Dyfyniad APA

Armstrong, W. F., Ryan, T., & Feigenbaum, H. (2010). Feigenbaum's echocardiography (Seventh edition.). Wolters Kluwer Health/Lippincott Williams & Wilkins.

Dyfyniad Arddull Chicago

Armstrong, William F., Thomas Ryan, and Harvey Feigenbaum. Feigenbaum's Echocardiography. Seventh edition. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2010.

Dyfyniad MLA

Armstrong, William F., et al. Feigenbaum's Echocardiography. Seventh edition. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2010.

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