Wendy Pfeffer. (2012). From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1) (1.). HarperCollins.
Dyfyniad Arddull ChicagoWendy Pfeffer. From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 2012.
Dyfyniad MLAWendy Pfeffer. From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.