Achuthan Unny Chathanathu. (2015). Gaveshanam: Prabandharacahanyute tattvangal (5th.). Vallathol Vidyapeedham.
استشهاد بنمط شيكاغوAchuthan Unny Chathanathu. Gaveshanam: Prabandharacahanyute Tattvangal. 5th. Sukapuram: Vallathol Vidyapeedham, 2015.
MLA استشهادAchuthan Unny Chathanathu. Gaveshanam: Prabandharacahanyute Tattvangal. 5th. Vallathol Vidyapeedham, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.