Singh, H., & Ram, P. (1990). Sales and export management. Anuoam.
Čikaški stil citiranjaSingh, Harkishan, i Paras Ram. Sales and Export Management. New Delhi: Anuoam, 1990.
MLA način citiranjaSingh, Harkishan, i Paras Ram. Sales and Export Management. Anuoam, 1990.
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