Lotus Books (Firm). (1989). The Lotus guide to learning 1-2-3: Release 2.2. Addison-Wesley.
Chicago Style (17th ed.) CitationLotus Books (Firm). The Lotus Guide to Learning 1-2-3: Release 2.2. Reading, Mass: Addison-Wesley, 1989.
ציטוט MLALotus Books (Firm). The Lotus Guide to Learning 1-2-3: Release 2.2. Addison-Wesley, 1989.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.