Brown, S. (1983). Research history and opportunities in the Luquillo experimental forest. USDA Forest Service, Southern Forest Experiment Station.
Chicago-Zitierstil (17. Ausg.)Brown, Sandra. Research History and Opportunities in the Luquillo Experimental Forest. New Orleans, La: USDA Forest Service, Southern Forest Experiment Station, 1983.
MLA-Zitierstil (9. Ausg.)Brown, Sandra. Research History and Opportunities in the Luquillo Experimental Forest. USDA Forest Service, Southern Forest Experiment Station, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.