Citazione Stile APA (7a Edizione)

Kathleen Weidner Zoehfeld. (2010). Where Did Dinosaurs Come From? (Let's-Read-and-Find-Out Science 2). HarperCollins.

Citazione stile Chigago Style (17a edizione)

Kathleen Weidner Zoehfeld. Where Did Dinosaurs Come From? (Let's-Read-and-Find-Out Science 2). HarperCollins, 2010.

Citatione MLA (9a ed.)

Kathleen Weidner Zoehfeld. Where Did Dinosaurs Come From? (Let's-Read-and-Find-Out Science 2). HarperCollins, 2010.