Cita APA (7th ed.)

Leask, A., & Fyall, A. (2006). Managing world heritage sites. Elsevier.

Cita Chicago (17th ed.)

Leask, Anna, i Allan Fyall. Managing World Heritage Sites. Amsterdam: Elsevier, 2006.

Cita MLA (9th ed.)

Leask, Anna, i Allan Fyall. Managing World Heritage Sites. Elsevier, 2006.