George K Alex. (2003). Haritha rashtreeyam: Charithram,siddhantham,prayogam. D C Books.
Chicago Style aipamenaGeorge K Alex. Haritha Rashtreeyam: Charithram,siddhantham,prayogam. Kottayam: D C Books, 2003.
MLA aipamenaGeorge K Alex. Haritha Rashtreeyam: Charithram,siddhantham,prayogam. D C Books, 2003.
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