British Museum. (1948). Rules for Compiling the Catalogues of Printed Books, Maps and Music in the British Museum.
Chicago-Zitierstil (17. Ausg.)British Museum. Rules for Compiling the Catalogues of Printed Books, Maps and Music in the British Museum. London, 1948.
MLA-Zitierstil (8. Ausg.)British Museum. Rules for Compiling the Catalogues of Printed Books, Maps and Music in the British Museum. 1948.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.