Lotus Books (Firm). (1989). The Lotus guide to learning 1-2-3: Release 2.2. Addison-Wesley.
Chicago Style (17. basım) AtıfLotus Books (Firm). The Lotus Guide to Learning 1-2-3: Release 2.2. Reading, Mass: Addison-Wesley, 1989.
MLA (9th ed.) AtıfLotus Books (Firm). The Lotus Guide to Learning 1-2-3: Release 2.2. Addison-Wesley, 1989.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..