APA (7th ed.) Citation

Tobing, R. L. (1989). Kimia bahan alam: Suatu penelitian kepustakaan. Depdikbud.

Chicago Style (17th ed.) Citation

Tobing, Rangke L. Kimia Bahan Alam: Suatu Penelitian Kepustakaan. Depdikbud, 1989.

MLA (8th ed.) Citation

Tobing, Rangke L. Kimia Bahan Alam: Suatu Penelitian Kepustakaan. Depdikbud, 1989.

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