Sasikumar Purameri. (2014). Stephen Hawking. Progress Publication.
シカゴスタイル引用形Sasikumar Purameri. Stephen Hawking. Kozhikode: Progress Publication, 2014.
MLA引用形式Sasikumar Purameri. Stephen Hawking. Progress Publication, 2014.
警告: この引用は必ずしも正確ではありません.