Mukherje, P. &. A. (2015). Research menthods in early childhood: An introductory guide (2nd.). Sage Publication.
Lua i Stíl Chicago (17ú heag.)Mukherje, Penny & Albon. Research Menthods in Early Childhood: An Introductory Guide. 2nd. London: Sage Publication, 2015.
Lua MLA (9ú heag.)Mukherje, Penny & Albon. Research Menthods in Early Childhood: An Introductory Guide. 2nd. Sage Publication, 2015.
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