(2007). Membaca Tanda-tanda Alam (Cet. 1.). Yogyakarta: Sketsa.
Chicago Style CitationMembaca Tanda-tanda Alam. Cet. 1. Yogyakarta: Sketsa, 2007.
MLA CitationMembaca Tanda-tanda Alam. Cet. 1. Yogyakarta: Sketsa, 2007.
Warning: These citations may not always be 100% accurate.