Earl, B. (2002). IGCSE Chemistry. Hodder Education.
Chicago Style CitationEarl, B. IGCSE Chemistry. Hodder Education, 2002.
ציטוט MLAEarl, B. IGCSE Chemistry. Hodder Education, 2002.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
Earl, B. (2002). IGCSE Chemistry. Hodder Education.
Chicago Style CitationEarl, B. IGCSE Chemistry. Hodder Education, 2002.
ציטוט MLAEarl, B. IGCSE Chemistry. Hodder Education, 2002.