APA
Nadarajah M, Abeysinghe A, Dayaratne W C & Tharmalingam R. (1973). Potentialities of rubber seed collection and its utilisation in Sri Lanka. : Rubber Research Institute of Sri Lanka Bulletin.
Chicago
Nadarajah M, Abeysinghe A, Dayaratne W C and Tharmalingam R. 1973. Potentialities of rubber seed collection and its utilisation in Sri Lanka. : Rubber Research Institute of Sri Lanka Bulletin.
Harvard
Nadarajah M, Abeysinghe A, Dayaratne W C and Tharmalingam R. (1973). Potentialities of rubber seed collection and its utilisation in Sri Lanka. : Rubber Research Institute of Sri Lanka Bulletin.
MLA
Nadarajah M, Abeysinghe A, Dayaratne W C and Tharmalingam R. Potentialities of rubber seed collection and its utilisation in Sri Lanka. : Rubber Research Institute of Sri Lanka Bulletin. 1973.