Gaya APA
Allen, Ken. (2019).
Radical Simplicity .
United Kingdom:
Penguin Random House.
Gaya Chicago
Allen, Ken.
Radical Simplicity.
United Kingdom:
Penguin Random House,
2019.
Text.
Gaya MLA
Allen, Ken.
Radical Simplicity.
United Kingdom:
Penguin Random House,
2019.
Text.
Gaya Turabian
Allen, Ken.
Radical Simplicity.
United Kingdom:
Penguin Random House,
2019.
Print.