एपीए उद्धरण

Thankamma,B. (2008). Helen Keller,Livingston,Martin Luther King (3.). Kairali Children`s Book Trust.

शिकागो स्टाइल उद्धरण

Thankamma,B. Helen Keller,Livingston,Martin Luther King. 3. Kottayam: Kairali Children`s Book Trust, 2008.

एमएलए उद्धरण

Thankamma,B. Helen Keller,Livingston,Martin Luther King. 3. Kairali Children`s Book Trust, 2008.