APA
Willard H. H., . (1988). Instrumental methods of analysis. Belmont, Calif: Wadsworth Pub. Co.
Chicago
Willard Hobart H, . 1988. Instrumental methods of analysis. Belmont, Calif: Wadsworth Pub. Co.
Harvard
Willard H. H., . (1988). Instrumental methods of analysis. Belmont, Calif: Wadsworth Pub. Co.
MLA
Willard Hobart H, . Instrumental methods of analysis. Belmont, Calif: Wadsworth Pub. Co. 1988.