Turnkring Volharding Boom. (2013). Nieuwsbrief Turnkring Volharding Boom. Boom: Turnkring Volharding Boom.
Chicago Style (17. basım) AtıfTurnkring Volharding Boom. Nieuwsbrief Turnkring Volharding Boom. Boom: Turnkring Volharding Boom, 2013.
MLA (8th ed.) AtıfTurnkring Volharding Boom. Nieuwsbrief Turnkring Volharding Boom. Boom: Turnkring Volharding Boom, 2013.
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