Dyfyniad APA

(1938). Progress in the chemistry of organic natural products. Verlag von Julius, Springer.

Dyfyniad Arddull Chicago

Progress in the Chemistry of Organic Natural Products. Vienna: Verlag von Julius, Springer, 1938.

Dyfyniad MLA

Progress in the Chemistry of Organic Natural Products. Verlag von Julius, Springer, 1938.

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