Habermann, P. (1983). Energy conservation campaign: Baseline study. Ministry of mining & energy goverment of Jamaica.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHabermann, Peter. Energy Conservation Campaign: Baseline Study. [Jamaica]: Ministry of mining & energy goverment of Jamaica, 1983.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিHabermann, Peter. Energy Conservation Campaign: Baseline Study. Ministry of mining & energy goverment of Jamaica, 1983.