Habermann, P. (1983). Energy conservation campaign: Baseline study. Ministry of mining & energy goverment of Jamaica.
Cytowanie według stylu Chicago (wyd. 17)Habermann, Peter. Energy Conservation Campaign: Baseline Study. [Jamaica]: Ministry of mining & energy goverment of Jamaica, 1983.
Cytowanie według stylu MLA (wyd. 9)Habermann, Peter. Energy Conservation Campaign: Baseline Study. Ministry of mining & energy goverment of Jamaica, 1983.