Text Books:

1. Primrose B. Sandy, Twyman M. Richard, Old W. Robert, Principles of Gene Manipulation, Sixth edition.
2. J. Sambrook, E.F. Fritsch, T. Maniatis, Molecular Cloning. Vol 2: A Laboratory Manual.
3. Molecular Biology and Genomics by Cornel Mülhardt.
4. Molecular Biology: A Project Approach by Susan J. Karcher.
5. RNA Methodologies: Laboratory Guide for Isolation and Characterization by Robert E. Farrell.
6. Molecular Biology Techniques, An Intensive Laboratory Course by Walt Ream and Katharine G. Field.

Journals:

1. Valerie Bouchet, Heather Huot, and Richard Goldstein, Molecular Genetic Basis of Ribotyping, Clinical Microbiology Reviews, p. 262–273 Vol. 21, No. 2, Apr. 2008.
2. Terry Brown, Analysis of DNA Sequences By Blotting and Hybridization, Current Protocols in Molecular Biology (1999) 2.9.1-2.9.20.
3. Hongli Xia1, Zui Tan1, Jianguo Qiao2 and Chuan Liang, Recovery of DNA from agarose gel by trap method, African Journal of Biotechnology Vol. 10(50), pp. 10280-10286, September, 2011
    

 Webliography:

1. arbl.cvmbs.colostate.edu/hbooks/genetics/biotech/gels/dnaisolation.html
2.  www.molecularstation.com/agarose-gel-electrophoresis/