APA Citation

Retno Widhiastuti, & Alief Aththorick, T. (2008). Studi vegetasi hutan gung Sinabung Sumatera Utara.

Chicago Style Citation

Retno Widhiastuti, and T. Alief Aththorick. Studi Vegetasi Hutan Gung Sinabung Sumatera Utara. 2008.

MLA Citation

Retno Widhiastuti, and T. Alief Aththorick. Studi Vegetasi Hutan Gung Sinabung Sumatera Utara. 2008.

Warning: These citations may not always be 100% accurate.