E. & F. N. Spon. A Complete List of the Books Included in the S. & C. Series of Elementary Manuals for Mechanics and Students published by E. & F. N. Spon, Ltd., London. January 1912.
Dyfyniad Arddull ChicagoE. & F. N. Spon. A Complete List of the Books Included in the S. & C. Series of Elementary Manuals for Mechanics and Students Published by E. & F. N. Spon, Ltd., London. January 1912.
Dyfyniad MLAE. & F. N. Spon. A Complete List of the Books Included in the S. & C. Series of Elementary Manuals for Mechanics and Students Published by E. & F. N. Spon, Ltd., London. January 1912.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.