APA (7th ed.) Zitazioa

(1989). Simple science experiments with ping pong balls / by Eiji Orii and Masako Orii ; pictures by Kimimaro Yoshida.

Chicago Style (17th ed.) Zitazioa

Simple Science Experiments with Ping Pong Balls / by Eiji Orii and Masako Orii ; Pictures by Kimimaro Yoshida. 1989.

MLA (9th ed.) Zitazioa

Simple Science Experiments with Ping Pong Balls / by Eiji Orii and Masako Orii ; Pictures by Kimimaro Yoshida. 1989.