Ashton, R. How to start your own business for entrepreneurs (1.). Pearson Education UK.
Čikaški stil citiranja (17. izdanje)Ashton, Robert. How to Start Your Own Business for Entrepreneurs. 1. Pearson Education UK.
MLA način citiranja (8. izdanje)Ashton, Robert. How to Start Your Own Business for Entrepreneurs. 1. Pearson Education UK.
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