Spinner, S., & Groff, D. (2014). Who was Clara Barton? Grosset & Dunlap, an imprint of Penguin Group (USA) LLC.
Chicago-viite (17. p.)Spinner, Stephanie, ja David Groff. Who Was Clara Barton? New York, New York, USA: Grosset & Dunlap, an imprint of Penguin Group (USA) LLC, 2014.
MLA-viite (9. p.)Spinner, Stephanie, ja David Groff. Who Was Clara Barton? Grosset & Dunlap, an imprint of Penguin Group (USA) LLC, 2014.
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