Dyfyniad APA

(1945). Introductory college chemistry a course for beginners. John Wiley.

Dyfyniad Arddull Chicago

Introductory College Chemistry a Course for Beginners. John Wiley, 1945.

Dyfyniad MLA

Introductory College Chemistry a Course for Beginners. John Wiley, 1945.

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