Gaya APA

P, R. et al (1999). Guidelines for Developing, Testing and Selecting Criteria and Indicators for Sustainable Forest Management ; 1 the criteria & indicators toolbox series . Jakarta Pusat: Cifor.

Gaya MLA

P, Ravi. et al. "Guidelines for Developing, Testing and Selecting Criteria and Indicators for Sustainable Forest Management ; 1 the criteria & indicators toolbox series". Jakarta Pusat: Cifor, 1999. Text.