Hardwick, E. R. (1993). Introduction to chemistry (Extended edition.). Harcourt Brace Jovanovich.
Chicago Style (17th ed.) CitationHardwick, E. Russell. Introduction to Chemistry. Extended edition. San Diego: Harcourt Brace Jovanovich, 1993.
ציטוט MLAHardwick, E. Russell. Introduction to Chemistry. Extended edition. Harcourt Brace Jovanovich, 1993.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.