APA Citation

Siregar, A. (2018). Sunyi Nirmala. Gramedia Pustaka Utama.

Chicago Style Citation

Siregar, Ashadi. Sunyi Nirmala. Gramedia Pustaka Utama, 2018.

MLA Citation

Siregar, Ashadi. Sunyi Nirmala. Gramedia Pustaka Utama, 2018.

Warning: These citations may not always be 100% accurate.