Gaya APA

Leien, P, D. (1996). Enrichment development in Siberut national park a case study in lepper sdo (wonogiri watershed Java Indonesia ) . : Centerbur.

Gaya MLA

Leien, PUspa, Dewi. "Enrichment development in Siberut national park a case study in lepper sdo (wonogiri watershed Java Indonesia )". : Centerbur, 1996. Text.