Gaya APA

PT., K, C, I. (2005). Hutan Petangis: hutan sekunder, tambang, taman hutan raya = Petangis forest : secondary forest, mine, great forest park (1st ed.). io: .

Gaya MLA

PT., Kendilo, Coal, Indonesia,. "Hutan Petangis: hutan sekunder, tambang, taman hutan raya = Petangis forest : secondary forest, mine, great forest park". 1st ed. io: , 2005. print.