ISBN 978-0-387-74550-3* Comparative Biochemistry of the Flavonoids, by J.B. Harborne, 1967 (Google Books)* The systematic identification of flavonoids, by T.J. Mabry, K.R.
* Harborne J. В., Comparative biochemistry of the flavonoids, L. — N. Y., 1967;* The flavonoids, Eds Harborne J.