Gaya APA
Carnegie, D. et al (2019).
How To Win Friends & Influence People In The Digital Age (Kedua puluh satu).
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Carnegie, Dale. et al.
"How To Win Friends & Influence People In The Digital Age".
Kedua puluh satu
Jakarta:
PT Gramedia Pustaka Utama,
2019.
Text.