एपीए उद्धरण

Mathukkutty J Kunnappady. (1983). Garibaldi, D Valara, Oliver Cromwell, Kennedy, Sun Yat-Sen.

शिकागो स्टाइल उद्धरण

Mathukkutty J Kunnappady. Garibaldi, D Valara, Oliver Cromwell, Kennedy, Sun Yat-Sen. Kottayam, Kairali Childrens Book Trust, 1983.

एमएलए उद्धरण

Mathukkutty J Kunnappady. Garibaldi, D Valara, Oliver Cromwell, Kennedy, Sun Yat-Sen. 1983.