Gaya APA
Warangian, E, K.
(2012).
Disc the soul of selling
(
1)
.
Tanggerang Selatan:
Salima.
Gaya MLA
Warangian, Evilin, Kumala.
"Disc the soul of selling".
1
Tanggerang Selatan:
Salima,
2012.
Text.