APA (7th ed.) Citation

Ong, G. H., Yap, C. K., Mahmood, M., Tan, S. G., & Hamzah, S. (2013). Barium levels in soils and Centella asiatica. Penerbit Universiti Sains Malaysia.

Chicago Style (17th ed.) Citation

Ong, Ghim Hock, Chee Kong Yap, Maziah Mahmood, Soon Guan Tan, and Suhaimi Hamzah. Barium Levels in Soils and Centella Asiatica. Penerbit Universiti Sains Malaysia, 2013.

MLA (9th ed.) Citation

Ong, Ghim Hock, et al. Barium Levels in Soils and Centella Asiatica. Penerbit Universiti Sains Malaysia, 2013.