Zimmerman, J., & Ng, D. (2017). Social Media Marketing: All-in-One (04th ed.). Wiley India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Zimmerman, Jan, agus Deborah Ng. Social Media Marketing: All-in-One. 04th ed. New Delhi: Wiley India Pvt. Ltd, 2017.
Lua MLA (9ú heag.)Zimmerman, Jan, agus Deborah Ng. Social Media Marketing: All-in-One. 04th ed. Wiley India Pvt. Ltd, 2017.
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