Gaya APA
Astuti, Umi. (2019).
Wishy washy .
Depok:
Namina Books.
Gaya Chicago
Astuti, Umi.
Wishy washy.
Depok:
Namina Books,
2019.
Text.
Gaya MLA
Astuti, Umi.
Wishy washy.
Depok:
Namina Books,
2019.
Text.
Gaya Turabian
Astuti, Umi.
Wishy washy.
Depok:
Namina Books,
2019.
Print.