കെ എ കോശി & K A Koshy. (1978). അപഗ്രഥനം (1st.). Science and Arts Publications.
Chicago Edition Citationകെ എ കോശി and K A Koshy. അപഗ്രഥനം. 1st. Pathanamthitta: Science and Arts Publications, 1978.
MLA Edition Citationകെ എ കോശി and K A Koshy. അപഗ്രഥനം. 1st. Science and Arts Publications, 1978.
Warning: These citations may not always be 100% accurate.