Gaya APA

Oktavia, Widyawati, Mansur, Wirda, Romadhona, Gita. (2017). Be Calm Be Strong Be Grateful . Jakarta: KataDepan.

Gaya Chicago

Oktavia, Widyawati, Mansur, Wirda, Romadhona, Gita. Be Calm Be Strong Be Grateful. Jakarta: KataDepan, 2017. Text.

Gaya MLA

Oktavia, Widyawati, Mansur, Wirda, Romadhona, Gita. Be Calm Be Strong Be Grateful. Jakarta: KataDepan, 2017. Text.

Gaya Turabian

Oktavia, Widyawati, Mansur, Wirda, Romadhona, Gita. Be Calm Be Strong Be Grateful. Jakarta: KataDepan, 2017. Print.