Gaya APA

Sudaryanto, . et al (1999). The Use of Fire on Shifting Cultivation Activity in Indonesia. ( Extra Output 1 ) . Bogor: Faculty f forestry ,IPB.

Gaya MLA

Sudaryanto, . et al. "The Use of Fire on Shifting Cultivation Activity in Indonesia. ( Extra Output 1 )". Bogor: Faculty f forestry ,IPB, 1999. Text.