APA-Zitierstil (7. Ausg.)

Orii, E., & Orii, M. (1989). Simple science experiments with circles (North American edition.). Gareth Stevens Children's Books.

Chicago-Zitierstil (17. Ausg.)

Orii, Eiji, und Masako Orii. Simple Science Experiments with Circles. North American edition. Milwaukee: Gareth Stevens Children's Books, 1989.

MLA-Zitierstil (9. Ausg.)

Orii, Eiji, und Masako Orii. Simple Science Experiments with Circles. North American edition. Gareth Stevens Children's Books, 1989.