Gaya APA
Denni, Alex. (2020).
Learning 5.1 .
Jakarta:
PT Gramedia.
Gaya Chicago
Denni, Alex.
Learning 5.1.
Jakarta:
PT Gramedia,
2020.
Text.
Gaya MLA
Denni, Alex.
Learning 5.1.
Jakarta:
PT Gramedia,
2020.
Text.
Gaya Turabian
Denni, Alex.
Learning 5.1.
Jakarta:
PT Gramedia,
2020.
Print.