Lua APA (7ú heag.)

ROY, V. &. J. (2016). TREK PRIMARY SOCIAL STUDIES - CLASS 4. OXFORD UNIVERSITY PRESS.

Lua i Stíl Chicago (17ú heag.)

ROY, VIBHA & JAIN. TREK PRIMARY SOCIAL STUDIES - CLASS 4. NEW DELHI: OXFORD UNIVERSITY PRESS, 2016.

Lua MLA (9ú heag.)

ROY, VIBHA & JAIN. TREK PRIMARY SOCIAL STUDIES - CLASS 4. OXFORD UNIVERSITY PRESS, 2016.

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