Rife, W. (1993). Essentials of chemistry (Extended ed.). Saunders College Pub..
Lua i Stíl Chicago (17ú heag.)Rife, William. Essentials of Chemistry. Extended ed. Fort Worth, Tex.: Saunders College Pub., 1993.
Lua MLA (9ú heag.)Rife, William. Essentials of Chemistry. Extended ed. Saunders College Pub., 1993.
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