Cita APA (7th ed.)

BHATTY,MARGARET. (2006). SKETCHBOOK.

Cita Chicago (17th ed.)

BHATTY,MARGARET. SKETCHBOOK. 2006.

Cita MLA (9th ed.)

BHATTY,MARGARET. SKETCHBOOK. 2006.

Atenció: Aquestes cites poden no estar 100% correctes.