Gaya APA
WINARTI, B, T.
(2017).
500 WAYS TO MULTIPLY YOUR PEOPLE'S PRODUCTIVITY
.
JAKARTA:
PT. ELEX MEDIA KOMPUTINDO.
Gaya MLA
WINARTI, BARLIAN, T..
"500 WAYS TO MULTIPLY YOUR PEOPLE'S PRODUCTIVITY".
JAKARTA:
PT. ELEX MEDIA KOMPUTINDO,
2017.
Text.