Cita APA (7a ed.)

(1991). How to learn any language: Quickly, easily, and on your own! / Barry Farber.

Cita Chicago Style (17a ed.)

How to Learn Any Language: Quickly, Easily, and on Your Own! / Barry Farber. 1991.

Cita MLA (9a ed.)

How to Learn Any Language: Quickly, Easily, and on Your Own! / Barry Farber. 1991.

Precaución: Estas citas no son 100% exactas.