Dyfyniad APA

(1924). A brief course on six talks and bibliography on the rôle of chemistry in every-day life. University of Pittsburgh.

Dyfyniad Arddull Chicago

A Brief Course on Six Talks and Bibliography on the Rôle of Chemistry in Every-day Life. Pittsburgh: University of Pittsburgh, 1924.

Dyfyniad MLA

A Brief Course on Six Talks and Bibliography on the Rôle of Chemistry in Every-day Life. University of Pittsburgh, 1924.

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