Yapp, N., Brinkley, D., & Johns, C. (2007). 100 days in photographs: Pivotal events that changed the world. National Geographic and Getty images.
Citace podle Chicago (17th ed.)Yapp, Nicholas, Douglas(Foreword) Brinkley, a Chris(Intro.) Johns. 100 Days in Photographs: Pivotal Events That Changed the World. Washington: National Geographic and Getty images, 2007.
Citace podle MLA (9th ed.)Yapp, Nicholas, et al. 100 Days in Photographs: Pivotal Events That Changed the World. National Geographic and Getty images, 2007.
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