APA
Barker M. S. . B. D. I. . B. N. F. . N. K. E., . (2019). Social media marketing : a strategic approach. Cengage: New Delhi.
Chicago
Barker Melissa S Barker Donald I Bormann Nicholas F Neher Krista E, . 2019. Social media marketing : a strategic approach. Cengage: New Delhi.
Harvard
Barker M. S. . B. D. I. . B. N. F. . N. K. E., . (2019). Social media marketing : a strategic approach. Cengage: New Delhi.
MLA
Barker Melissa S Barker Donald I Bormann Nicholas F Neher Krista E, . Social media marketing : a strategic approach. Cengage: New Delhi. 2019.