Laura Marsh. (2012). National Geographic Readers: Tigers. National Geographic Children's Books.
Citazione stile Chigago Style (17a edizione)Laura Marsh. National Geographic Readers: Tigers. National Geographic Children's Books, 2012.
Citatione MLA (9a ed.)Laura Marsh. National Geographic Readers: Tigers. National Geographic Children's Books, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.