APA
Gunasena H. P. M., Pushpakumara D., . (2006). Dragon fruit: hylocereus undatus (Haw) britton and rose. : Sri Lanka Council for Agricultural Research Policy, National Multipurpose Tree Species Research Network of Sri Lanka and World Agroforestry Centre.
Chicago
Gunasena H P M, Pushpakumara D.K.N.G, . 2006. Dragon fruit: hylocereus undatus (Haw) britton and rose. : Sri Lanka Council for Agricultural Research Policy, National Multipurpose Tree Species Research Network of Sri Lanka and World Agroforestry Centre.
Harvard
Gunasena H. P. M., Pushpakumara D., . (2006). Dragon fruit: hylocereus undatus (Haw) britton and rose. : Sri Lanka Council for Agricultural Research Policy, National Multipurpose Tree Species Research Network of Sri Lanka and World Agroforestry Centre.
MLA
Gunasena H P M, Pushpakumara D.K.N.G, . Dragon fruit: hylocereus undatus (Haw) britton and rose. : Sri Lanka Council for Agricultural Research Policy, National Multipurpose Tree Species Research Network of Sri Lanka and World Agroforestry Centre. 2006.