APA
Sung C P, Beng S Y & Fah C S. (1973). Plantation developments in natural rubber processing. : Rubber Research Institute of Sri Lanka Quarterly Journal.
Chicago
Sung C P, Beng S Y and Fah C S. 1973. Plantation developments in natural rubber processing. : Rubber Research Institute of Sri Lanka Quarterly Journal.
Harvard
Sung C P, Beng S Y and Fah C S. (1973). Plantation developments in natural rubber processing. : Rubber Research Institute of Sri Lanka Quarterly Journal.
MLA
Sung C P, Beng S Y and Fah C S. Plantation developments in natural rubber processing. : Rubber Research Institute of Sri Lanka Quarterly Journal. 1973.