APA
Halimahton M, Khoo K C & Nor Azah M A. (1991). Phenolic components of the tar fraction from pyrolysis of rubberwood. : Journal of Tropical Forest Science.
Chicago
Halimahton M, Khoo K C and Nor Azah M A. 1991. Phenolic components of the tar fraction from pyrolysis of rubberwood. : Journal of Tropical Forest Science.
Harvard
Halimahton M, Khoo K C and Nor Azah M A. (1991). Phenolic components of the tar fraction from pyrolysis of rubberwood. : Journal of Tropical Forest Science.
MLA
Halimahton M, Khoo K C and Nor Azah M A. Phenolic components of the tar fraction from pyrolysis of rubberwood. : Journal of Tropical Forest Science. 1991.