എഴുത്തച്ഛൻ, ക. എ., & Ezhuthachan, K. N. (1992). കേരളോദയം vol. 1. Department of cultural Publications.
Čikaški stil citiranjaഎഴുത്തച്ഛൻ, കെ. എൻ, i K. N. Ezhuthachan. കേരളോദയം Vol. 1. Thiruvananthapuram: Department of cultural Publications, 1992.
MLA način citiranjaഎഴുത്തച്ഛൻ, കെ. എൻ, i K. N. Ezhuthachan. കേരളോദയം Vol. 1. Department of cultural Publications, 1992.
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