APA aipamena

Laidlaw, C. (2001). Shapes. England: Pearson.

Chicago Style aipamena

Laidlaw, Caroline. Shapes. England: Pearson, 2001.

MLA aipamena

Laidlaw, Caroline. Shapes. England: Pearson, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.