Sutherland, K. R. Profile of the international filtration & separation industry: Market prospects to 2009 (5th ed.).
Chicago-viite (17. p.)Sutherland, Kenneth Robert. Profile of the International Filtration & Separation Industry: Market Prospects to 2009. 5th ed.
MLA-viite (8. p.)Sutherland, Kenneth Robert. Profile of the International Filtration & Separation Industry: Market Prospects to 2009. 5th ed.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.