APA استشهاد

Jancy K Mathew & Dr P.S Sukumaran. (2002). Impact of Mental Retardation on Siblings. SBES ,MGU.

استشهاد بنمط شيكاغو

Jancy K Mathew و Dr P.S Sukumaran. Impact of Mental Retardation on Siblings. Kottayam: SBES ,MGU, 2002.

MLA استشهاد

Jancy K Mathew و Dr P.S Sukumaran. Impact of Mental Retardation on Siblings. SBES ,MGU, 2002.