APA Баримт

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

Чикаго маягийн жагсаалт

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

MLA ишлэл

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