Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.