APA

Senevirathna A M W K, Chaminda, de Alwis M N, Pathirana P D, Seneviratna P, Weerakoon U S & Zoysa L. (2007). Certification of planting material of rubber in Sri Lankan nurseries: Process, constraints and requirements. : Bulletin of the Rubber Research Institute of Sri Lanka.

Chicago

Senevirathna A M W K, Chaminda, de Alwis M N, Pathirana P D, Seneviratna P, Weerakoon U S and Zoysa L. 2007. Certification of planting material of rubber in Sri Lankan nurseries: Process, constraints and requirements. : Bulletin of the Rubber Research Institute of Sri Lanka.

Harvard

Senevirathna A M W K, Chaminda, de Alwis M N, Pathirana P D, Seneviratna P, Weerakoon U S and Zoysa L. (2007). Certification of planting material of rubber in Sri Lankan nurseries: Process, constraints and requirements. : Bulletin of the Rubber Research Institute of Sri Lanka.

MLA

Senevirathna A M W K, Chaminda, de Alwis M N, Pathirana P D, Seneviratna P, Weerakoon U S and Zoysa L. Certification of planting material of rubber in Sri Lankan nurseries: Process, constraints and requirements. : Bulletin of the Rubber Research Institute of Sri Lanka. 2007.