(1998). Danish Exporters, 1999: The official directory of quality products and services. TeleDenmark Forlag.
Chicago-viite (17. p.)Danish Exporters, 1999: The Official Directory of Quality Products and Services. [Denmark]: TeleDenmark Forlag, 1998.
MLA-viite (9. p.)Danish Exporters, 1999: The Official Directory of Quality Products and Services. TeleDenmark Forlag, 1998.
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