Dyfyniad APA

Fresenius, C. R., & Wells , H. L. (1906). Manual of qualitative chemical analysis. John Wiley.

Dyfyniad Arddull Chicago

Fresenius, C. Remigius, and Horace L. Wells. Manual of Qualitative Chemical Analysis. New York: John Wiley, 1906.

Dyfyniad MLA

Fresenius, C. Remigius, and Horace L. Wells. Manual of Qualitative Chemical Analysis. John Wiley, 1906.

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