Gaya APA
Denney, R, C., sinclair, R. (1991).
Visible and Ultraviolet Spectroscopy .
Singapore:
John Wiley & Sons. Inc.
Gaya MLA
Denney, Ronald, C.., sinclair, Roy.
"Visible and Ultraviolet Spectroscopy".
Singapore:
John Wiley & Sons. Inc,
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Textbook.