Dyfyniad APA

Spinner, S., & Groff, D. (2014). Who was Clara Barton? Grosset & Dunlap, an imprint of Penguin Group (USA) LLC.

Dyfyniad Arddull Chicago

Spinner, Stephanie, and David Groff. Who Was Clara Barton? New York, New York, USA: Grosset & Dunlap, an imprint of Penguin Group (USA) LLC, 2014.

Dyfyniad MLA

Spinner, Stephanie, and David Groff. Who Was Clara Barton? Grosset & Dunlap, an imprint of Penguin Group (USA) LLC, 2014.

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