Cita APA (7th ed.)
Willoughby, B. G. (2003). Air monitoring in the rubber and plastics industries: What to look for, how to find it, what the data means. RAPRA Technology.
Cita Chicago (17th ed.)
Willoughby, B. G. Air Monitoring in the Rubber and Plastics Industries: What to Look for, How to Find It, What the Data Means. Shrewsbury: RAPRA Technology, 2003.
Cita MLA (9th ed.)
Willoughby, B. G. Air Monitoring in the Rubber and Plastics Industries: What to Look for, How to Find It, What the Data Means. RAPRA Technology, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.