സുമംഗല & Sumangala. (1985). അക്ഷഹൃദയം (1st.). Poorna Publications.
Chicago Edition Citationസുമംഗല and Sumangala. അക്ഷഹൃദയം. 1st. Calicut: Poorna Publications, 1985.
MLA Edition Citationസുമംഗല and Sumangala. അക്ഷഹൃദയം. 1st. Poorna Publications, 1985.
Warning: These citations may not always be 100% accurate.