एपीए उद्धरण

Sankaraganakan ,Onakoor. (1985). Jyothishanighandu. Sahitya Pravarthaka Co.op. Society Ltd., Kottayam.

शिकागो स्टाइल उद्धरण

Sankaraganakan ,Onakoor. Jyothishanighandu. Sahitya Pravarthaka Co.op. Society Ltd., Kottayam: Sahitya Pravarthaka Co.op. Society Ltd., Kottayam, 1985.

एमएलए उद्धरण

Sankaraganakan ,Onakoor. Jyothishanighandu. Sahitya Pravarthaka Co.op. Society Ltd., Kottayam, 1985.