APA (7e ed.) Bronvermelding

Lotus Books (Firm). (1989). The Lotus guide to learning 1-2-3: Release 2.2. Addison-Wesley.

Chicago (17e ed.) Bronvermelding

Lotus Books (Firm). The Lotus Guide to Learning 1-2-3: Release 2.2. Reading, Mass: Addison-Wesley, 1989.

MLA (9e ed.) Bronvermelding

Lotus Books (Firm). The Lotus Guide to Learning 1-2-3: Release 2.2. Addison-Wesley, 1989.