Gaya APA
Nikolay, Hingdranata. (2018).
Selling Easily and Smartly .
Jakarta:
Gramedia.
Gaya Chicago
Nikolay, Hingdranata.
Selling Easily and Smartly.
Jakarta:
Gramedia,
2018.
Text.
Gaya MLA
Nikolay, Hingdranata.
Selling Easily and Smartly.
Jakarta:
Gramedia,
2018.
Text.
Gaya Turabian
Nikolay, Hingdranata.
Selling Easily and Smartly.
Jakarta:
Gramedia,
2018.
Print.