APA (7th ed.) Citation

(2012). Help me learn addition / by Jean Marzollo ; photographs by Chad Phillips.

Chicago Style (17th ed.) Citation

Help Me Learn Addition / by Jean Marzollo ; Photographs by Chad Phillips. 2012.

MLA (9th ed.) Citation

Help Me Learn Addition / by Jean Marzollo ; Photographs by Chad Phillips. 2012.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.