International Biological Programe[IBP]. (1971). Project aqua; a soucre book of inland waters proposed for conservation. [S.l]: [s.n].
Citación estilo ChicagoInternational Biological Programe[IBP]. Project Aqua; a Soucre Book of Inland Waters Proposed for Conservation. [S.l]: [s.n], 1971.
Cita MLAInternational Biological Programe[IBP]. Project Aqua; a Soucre Book of Inland Waters Proposed for Conservation. [S.l]: [s.n], 1971.
Precaución: Estas citas no son 100% exactas.