1. Sears and Zemansky, University Physics with Modern Physics, 13th Edition, ISBN 13: 978-0-321-69686-1; ISBN 10: 0-321-69686-7, Addison-Wesley publisher, p.1598, 2011.
2. Douglas C Giancoli, Physics for Scientists and Engineers with Modern Physics, 4th Edition, ISBN-13: 978-0-13-149508-1, ISBN-10: 0-13-149508-9, Pearson Education, Inc., p.1221, 2008.
3. https://en.wikipedia.org/wiki/Vapor_pressure