Dyfyniad APA

North Holland publication co. (1969). Chemical physics letters. North Holland publication co.

Dyfyniad Arddull Chicago

North Holland publication co. Chemical Physics Letters. Nertherlands: North Holland publication co, 1969.

Dyfyniad MLA

North Holland publication co. Chemical Physics Letters. North Holland publication co, 1969.

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