Berl W. G. Walter G. (1960). Physical Methods in Chemical Analysis (Second Revised Edition.). New York, Academic Press, 1960.
Lua i Stíl Chicago (17ú heag.)Berl W. G. Walter G. Physical Methods in Chemical Analysis. Second Revised Edition. New York, Academic Press, 1960, 1960.
Lua MLA (9ú heag.)Berl W. G. Walter G. Physical Methods in Chemical Analysis. Second Revised Edition. New York, Academic Press, 1960, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.