Kumara New Zealand encyclopaedia 

 - [S.l] :  [s.n.],  1966 
 - p. 239 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Domestication des plantes<br/>Origine<br/>DIfussion<br/>Patate douce<br/>Ipomoea batatas<br/>Ethnie<br/>Maori
<br/><br/><label>Subjects--Index Terms: </label>Polinésye Nouvelle Zélande