(1977). Regional meeting on integrated ecological research and conservation activities in the northern Mediterranean countries: Final report : Potenza, 27-31 October, 1975. Unesco.
Chicago-referens (17:e uppl.)Regional Meeting on Integrated Ecological Research and Conservation Activities in the Northern Mediterranean Countries: Final Report : Potenza, 27-31 October, 1975. [Paris]: Unesco, 1977.
MLA-referens (9:e uppl.)Regional Meeting on Integrated Ecological Research and Conservation Activities in the Northern Mediterranean Countries: Final Report : Potenza, 27-31 October, 1975. Unesco, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.