Turnkring Volharding Boom. (2013). Nieuwsbrief Turnkring Volharding Boom. Boom: Turnkring Volharding Boom.
Cita Chicago (17th ed.)Turnkring Volharding Boom. Nieuwsbrief Turnkring Volharding Boom. Boom: Turnkring Volharding Boom, 2013.
Cita MLA (8th ed.)Turnkring Volharding Boom. Nieuwsbrief Turnkring Volharding Boom. Boom: Turnkring Volharding Boom, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.