Gaya APA
Krisdianto, B, F. et al (2020).
Easy Social Media Marketing Pencegahan Covid-19 (Cet. 1).
Padang:
CV. Percetakan Syamza.
Gaya MLA
Krisdianto, Boby, Febri. et al.
"Easy Social Media Marketing Pencegahan Covid-19".
Cet. 1
Padang:
CV. Percetakan Syamza,
2020.
Teks.