Dyfyniad APA

Elsevier Science (Firm). (1972). The Science of the total environment (SERBIB/SERLOC merged record.). Elsevier.

Dyfyniad Arddull Chicago

Elsevier Science (Firm). The Science of the Total Environment. SERBIB/SERLOC merged record. Amsterdam: Elsevier, 1972.

Dyfyniad MLA

Elsevier Science (Firm). The Science of the Total Environment. SERBIB/SERLOC merged record. Elsevier, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.