Não informado. (1931). Journal of the Rubber Research Institute of Malaya. Rubber Research Institute of Malaysia.
Cita Chicago Style (17a ed.)Não informado. Journal of the Rubber Research Institute of Malaya. Kuala Lumpur: Rubber Research Institute of Malaysia, 1931.
Cita MLA (8a ed.)Não informado. Journal of the Rubber Research Institute of Malaya. Rubber Research Institute of Malaysia, 1931.
Precaución: Estas citas no son 100% exactas.