Dyfyniad APA

Gopalakrishnan, K. (1999). Inventors who revolutionised our lives. National Book Trust.

Dyfyniad Arddull Chicago

Gopalakrishnan, K.V. Inventors Who Revolutionised Our Lives. New Delhi: National Book Trust, 1999.

Dyfyniad MLA

Gopalakrishnan, K.V. Inventors Who Revolutionised Our Lives. National Book Trust, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.