APA (7th ed.) Citation

Root B. (2002). My letters CD-ROM: CD-ROM, activety book and over 30 gold stars and sticker badges. World Scientific.

Chicago Style (17th ed.) Citation

Root B. My Letters CD-ROM: CD-ROM, Activety Book and over 30 Gold Stars and Sticker Badges. China: World Scientific, 2002.

MLA (8th ed.) Citation

Root B. My Letters CD-ROM: CD-ROM, Activety Book and over 30 Gold Stars and Sticker Badges. World Scientific, 2002.

Warning: These citations may not always be 100% accurate.