APA Style

Steel, Danielle. (2017). Heart Beat . Jakarta: Gramedia Pustaka Utama.

Chicago Style

Steel, Danielle. Heart Beat. Jakarta: Gramedia Pustaka Utama, 2017. Printed Book.

MLA Style

Steel, Danielle. Heart Beat. Jakarta: Gramedia Pustaka Utama, 2017. Printed Book.

Turabian Style

Steel, Danielle. Heart Beat. Jakarta: Gramedia Pustaka Utama, 2017. Printed Book.