Tohutoro APA (7th ed.)
Subba Rao, P. (2010). International business environment (2nd rev. ed.). Himalaya Pub. House.
Tohutoru Kātū Chicago (17th ed.)
Subba Rao, P. International Business Environment. 2nd rev. ed. Mumbai [India]: Himalaya Pub. House, 2010.
Tohutoro MLA (9th ed.)
Subba Rao, P. International Business Environment. 2nd rev. ed. Himalaya Pub. House, 2010.
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