Cita APA (7th ed.)

(B)SP Holsbeek. Holsbeek: SP.

Cita Chicago (17th ed.)

(B)SP Holsbeek. Holsbeek: SP.

Cita MLA (8th ed.)

(B)SP Holsbeek. Holsbeek: SP.

Atenció: Aquestes cites poden no estar 100% correctes.