APA
Gunasena H. P. M., Hitinayake H., Sangakkara U., Thattil R., Marambe B. & Nissanka S. (1999). Agroforestry research in Sri Lanka: an annotated bibliography. Peradeniya: The University of Peradeniya.
Chicago
Gunasena H P M, Hitinayake H.M.G, Sangakkara U.R, Thattil R.O, Marambe B and Nissanka S.P. 1999. Agroforestry research in Sri Lanka: an annotated bibliography. Peradeniya: The University of Peradeniya.
Harvard
Gunasena H. P. M., Hitinayake H., Sangakkara U., Thattil R., Marambe B. and Nissanka S. (1999). Agroforestry research in Sri Lanka: an annotated bibliography. Peradeniya: The University of Peradeniya.
MLA
Gunasena H P M, Hitinayake H.M.G, Sangakkara U.R, Thattil R.O, Marambe B and Nissanka S.P. Agroforestry research in Sri Lanka: an annotated bibliography. Peradeniya: The University of Peradeniya. 1999.
