Gaya APA
Byrne,Rhonda, ., Purwoko, S. (2017).
How The Secret Changed My Life: Kisah Nyata Orang-Orang Nyata .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Byrne,Rhonda, ., Purwoko, Susi.
"How The Secret Changed My Life: Kisah Nyata Orang-Orang Nyata".
Jakarta:
Gramedia Pustaka Utama,
2017.
Book.