Gaya APA
Entrepreneur - February 2018 USA. (2018).
:
.
Gaya Chicago
Entrepreneur - February 2018 USA.
.
:
,
2018.
e-book.
Gaya MLA
Entrepreneur - February 2018 USA.
.
:
,
2018.
e-book.
Gaya Turabian
Entrepreneur - February 2018 USA.
:
,
2018.
e-book.