Tomecek, S., & Harper, F. (2015). Dirtmeister's nitty gritty planet Earth: All about rocks, minerals, fossils, earthquakes, volcanoes, & even dirt! National Geographic Kids.
Style de citation Chicago (17e éd.)Tomecek, Steve, et Fred Harper. Dirtmeister's Nitty Gritty Planet Earth: All About Rocks, Minerals, Fossils, Earthquakes, Volcanoes, & Even Dirt! Washington, D.C.: National Geographic Kids, 2015.
Style de citation MLA (8e éd.)Tomecek, Steve, et Fred Harper. Dirtmeister's Nitty Gritty Planet Earth: All About Rocks, Minerals, Fossils, Earthquakes, Volcanoes, & Even Dirt! National Geographic Kids, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.