Gaya APA

Zimmerman, J., Ng, D. (2017). SOCIAL MEDIA MARKETING ALL-IN-ONE FOR DUMMIES (4th). New Jersey: JOHN WILEY & SON.

Gaya MLA

Zimmerman, Jan., Ng, Deborah. "SOCIAL MEDIA MARKETING ALL-IN-ONE FOR DUMMIES". 4th New Jersey: JOHN WILEY & SON, 2017. Text.