Wijesekera, R., 1973. The chemical composition and anlaysis of citronella oil. Journal of the National Science Foundation of Sri Lanka, 1(2), pp.67–81.

Wijesekera R. The chemical composition and anlaysis of citronella oil. Journal of the National Science Foundation of Sri Lanka. 1973;1(2):67–81.

Wijesekera, R. (1973). The chemical composition and anlaysis of citronella oil. Journal of the National Science Foundation of Sri Lanka, 1(2), 67–81.

1. Wijesekera R. The chemical composition and anlaysis of citronella oil. Journal of the National Science Foundation of Sri Lanka. 1973;1(2):67-81.

Wijesekera R, ‘The Chemical Composition and Anlaysis of Citronella Oil’ (1973) 1 Journal of the National Science Foundation of Sri Lanka 67

Wijesekera, ROB. 1973. “The Chemical Composition and Anlaysis of Citronella Oil”. Journal of the National Science Foundation of Sri Lanka 1 (2): 67–81.

Wijesekera, ROB. “The Chemical Composition and Anlaysis of Citronella Oil”. Journal of the National Science Foundation of Sri Lanka 1, no. 2 (1973): 67–81.

Wijesekera, R. “The chemical composition and anlaysis of citronella oil”. Journal of the National Science Foundation of Sri Lanka, vol. 1, no. 2, 1973, pp. 67–81.