Gaya APA

The Impacts of PT Inti Indorayon Utamas operations on the environment of Lake Toba / edited by Firman Manurung. (2000). : Jakarta : Lake Toba Heritage Foundation.

Gaya MLA

The Impacts of PT Inti Indorayon Utamas operations on the environment of Lake Toba / edited by Firman Manurung. . : Jakarta : Lake Toba Heritage Foundation, 2000. Text.