Gaya APA
Nikolay, Hingdranata. (2014).
Selling Easily And Smartly .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Nikolay, Hingdranata.
Selling Easily And Smartly.
Jakarta:
Gramedia Pustaka Utama,
2014.
Text.
Gaya MLA
Nikolay, Hingdranata.
Selling Easily And Smartly.
Jakarta:
Gramedia Pustaka Utama,
2014.
Text.
Gaya Turabian
Nikolay, Hingdranata.
Selling Easily And Smartly.
Jakarta:
Gramedia Pustaka Utama,
2014.
Print.