WILLARD, H. H. (1965). Instrumental methods of analysis - Hobart H.Willard, Lynne L.Merritt, John A. Dean. Affiliated East-West Press.
Lua i Stíl Chicago (17ú heag.)WILLARD, Hobart H. Instrumental Methods of Analysis - Hobart H.Willard, Lynne L.Merritt, John A. Dean. Affiliated East-West Press, 1965.
Lua MLA (8ú heag.)WILLARD, Hobart H. Instrumental Methods of Analysis - Hobart H.Willard, Lynne L.Merritt, John A. Dean. Affiliated East-West Press, 1965.
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