Gaya APA
HARARI, Y, N.
(2018).
21 Lessons For The 21 Century
(
1)
.
New York:
Prentice Hall.
Gaya MLA
HARARI, Yuval, Noah.
"21 Lessons For The 21 Century".
1
New York:
Prentice Hall,
2018.
Teks.