Sankrusme, S. (2017). International Business Correspondence. Diplomica Verlag.
Cita Chicago Style (17a ed.)Sankrusme, Sinee. International Business Correspondence. Hamburg: Diplomica Verlag, 2017.
Cita MLA (8a ed.)Sankrusme, Sinee. International Business Correspondence. Diplomica Verlag, 2017.
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