Gopalakrishnan, K. (1999). Inventors who revolutionised our lives. National Book Trust.
シカゴスタイル引用形Gopalakrishnan, K.V. Inventors Who Revolutionised Our Lives. New Delhi: National Book Trust, 1999.
MLA引用形式Gopalakrishnan, K.V. Inventors Who Revolutionised Our Lives. National Book Trust, 1999.
警告: この引用は必ずしも正確ではありません.