Gaya APA

Lapisan Ozon. (2001). Kendal: Bhuana Sastra.

Gaya Chicago

Lapisan Ozon. . Kendal: Bhuana Sastra, 2001. Text.

Gaya MLA

Lapisan Ozon. . Kendal: Bhuana Sastra, 2001. Text.

Gaya Turabian

Lapisan Ozon. Kendal: Bhuana Sastra, 2001. Print.