Cita APA (7th ed.)

Firdous, T. (2014). Responsive Web Design (2nd.). PACKET.

Cita Chicago (17th ed.)

Firdous, T. Responsive Web Design. 2nd. Bringmingham: PACKET, 2014.

Cita MLA (9th ed.)

Firdous, T. Responsive Web Design. 2nd. PACKET, 2014.