Gaya APA
Carnegie, D. et al (2012).
How to Win Friends & Influence People in the Digital Age (1).
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Carnegie, Dale. et al.
"How to Win Friends & Influence People in the Digital Age".
1
Jakarta:
Gramedia Pustaka Utama,
2012.
Printed.