1. Godlee F, Jefferson T. Peer review in health sciences. London: BMJ Books; 1999.
2. Hudson Jones A, McLellan F. Ethical issues in biomedical publication. Baltimore: The Johns Hopkins University Press; 2000.
3. Kovacs J. Honorary authorship epidemic in scholarly publications? How the current use of citation-based evaluative metrics make (pseudo)honorary authors from honest contributors of every multi-author article. J Med Ethics. 2013;39(8):509–12.
4. International Committee of Medical Journal Editors. Uniform requirements for manuscripts submitted to biomedical journals: ethical considerations in the conduct and reporting of research: authorship and contributorship. http://www.icmje.org/recommendations/archives/2004_urm.pdf . Accessed 14 Mar 2014.
5. Albert T, Wager E. The COPE Report 2003. How to handle authorship disputes: a guide for new researchers. http://publicationethics.org/files/2003pdf12.pdf . Accessed 14 Mar 2014.