Cita APA (7th ed.)

Bocian Ewelina -edt. (2013). Paper Cup Design now ! DEMPL.

Cita Chicago (17th ed.)

Bocian Ewelina -edt. Paper Cup Design Now ! Hong kong: DEMPL, 2013.

Cita MLA (9th ed.)

Bocian Ewelina -edt. Paper Cup Design Now ! DEMPL, 2013.