Agnone, J. V. (2014). What in the world?: Fun-tastic photo puzzles for curious minds. National Geographic.
Cita Chicago Style (17a ed.)Agnone, Julie Vosburgh. What in the World?: Fun-tastic Photo Puzzles for Curious Minds. Washington, DC: National Geographic, 2014.
Cita MLA (8a ed.)Agnone, Julie Vosburgh. What in the World?: Fun-tastic Photo Puzzles for Curious Minds. National Geographic, 2014.
Precaución: Estas citas no son 100% exactas.