APA
Ratnasingham K. R., . (1973). Cisirill manakoka: a new field still for the distillation of esential oils design by the CISIR. Colombo: Ceylon Inst. of Scientific & Indust.
Chicago
Ratnasingham K.Wijesekara R.O.B, . 1973. Cisirill manakoka: a new field still for the distillation of esential oils design by the CISIR. Colombo: Ceylon Inst. of Scientific & Indust.
Harvard
Ratnasingham K. R., . (1973). Cisirill manakoka: a new field still for the distillation of esential oils design by the CISIR. Colombo: Ceylon Inst. of Scientific & Indust.
MLA
Ratnasingham K.Wijesekara R.O.B, . Cisirill manakoka: a new field still for the distillation of esential oils design by the CISIR. Colombo: Ceylon Inst. of Scientific & Indust. 1973.