Gaya APA

Utami, D. Tri. (2022). A Guide Book to Sleep (Cet. 1). [s.l.]: Brilliant.

Gaya Chicago

Utami, D. Tri. A Guide Book to Sleep. Cet. 1 [s.l.]: Brilliant, 2022. Text.

Gaya MLA

Utami, D. Tri. A Guide Book to Sleep. Cet. 1 [s.l.]: Brilliant, 2022. Text.

Gaya Turabian

Utami, D. Tri. A Guide Book to Sleep. Cet. 1 [s.l.]: Brilliant, 2022. Print.