Badger, G. M. (1969). Aromatic character and Gromaticity. Cambridge University Press.
Dyfyniad Arddull ChicagoBadger, G M. Aromatic Character and Gromaticity. Cambridge: Cambridge University Press, 1969.
Dyfyniad MLABadger, G M. Aromatic Character and Gromaticity. Cambridge University Press, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.