Dyfyniad APA

Davis, A. J. (1996). Encyclopaedia of Scientific Developments Inventions and Discoveries. Bhavana.

Dyfyniad Arddull Chicago

Davis, Ainsworth. J.R. Encyclopaedia of Scientific Developments Inventions and Discoveries. new Delhi: Bhavana, 1996.

Dyfyniad MLA

Davis, Ainsworth. J.R. Encyclopaedia of Scientific Developments Inventions and Discoveries. Bhavana, 1996.

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