Cita APA (7th ed.)

Gralla, P. (1999). The complete idiot's guide to online shopping. Alpha Books/Que.

Cita Chicago (17th ed.)

Gralla, Preston. The Complete Idiot's Guide to Online Shopping. Indianapolis, Ind: Alpha Books/Que, 1999.

Cita MLA (9th ed.)

Gralla, Preston. The Complete Idiot's Guide to Online Shopping. Alpha Books/Que, 1999.