Gaya APA
Johnson, S., Eko, A.
(2019).
Who Moved My Cheese
(
1)
.
Jakarta:
Elex Media Komputindo.
Gaya MLA
Johnson, Spencer., Eko, Antonius.
"Who Moved My Cheese".
1
Jakarta:
Elex Media Komputindo,
2019.
Non Fiksi.