ROY, V. &. J. (2016). TREK PRIMARY SOCIAL STUDIES - CLASS 4. OXFORD UNIVERSITY PRESS.
Chicago-čujuhus (17. p.)ROY, VIBHA & JAIN. TREK PRIMARY SOCIAL STUDIES - CLASS 4. NEW DELHI: OXFORD UNIVERSITY PRESS, 2016.
MLA-čujuhus (9. p.)ROY, VIBHA & JAIN. TREK PRIMARY SOCIAL STUDIES - CLASS 4. OXFORD UNIVERSITY PRESS, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.