Bob Temple. (2008). Protecting the Prairie (Read-it! Chapter Books: Science Tales: Biome Battles). Picture Window Books.
Chicago-referens (17:e uppl.)Bob Temple. Protecting the Prairie (Read-it! Chapter Books: Science Tales: Biome Battles). Picture Window Books, 2008.
MLA-referens (9:e uppl.)Bob Temple. Protecting the Prairie (Read-it! Chapter Books: Science Tales: Biome Battles). Picture Window Books, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.