APA引文

Balakrishna Pilla, U. (1971). Akashathile albuthangal. Kerala Sahitya Academy.

Chicago Edition Citation

Balakrishna Pilla, Umayanelur. Akashathile Albuthangal. Thrissur: Kerala Sahitya Academy, 1971.

MLA引文

Balakrishna Pilla, Umayanelur. Akashathile Albuthangal. Kerala Sahitya Academy, 1971.

警告：這些引文格式不一定是100％准確.