Dyfyniad APA

RICHARDSON, M. L. (1992). THE DICTIONARY OF SUBSTANCES AND THEIR EFFECTS (A+B), VOL I. ROYAL SOCIETY OF CHEMISTRY.

Dyfyniad Arddull Chicago

RICHARDSON, M L. THE DICTIONARY OF SUBSTANCES AND THEIR EFFECTS (A+B), VOL I. ENGLAND: ROYAL SOCIETY OF CHEMISTRY, 1992.

Dyfyniad MLA

RICHARDSON, M L. THE DICTIONARY OF SUBSTANCES AND THEIR EFFECTS (A+B), VOL I. ROYAL SOCIETY OF CHEMISTRY, 1992.

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