Kumar, J. (2013). Apache Solr PHP Integration. Packt Publishing Ltd..
Cita Chicago (17th ed.)Kumar, Jayant. Apache Solr PHP Integration. Birmingham: Packt Publishing Ltd., 2013.
Cita MLA (9th ed.)Kumar, Jayant. Apache Solr PHP Integration. Packt Publishing Ltd., 2013.
Atenció: Aquestes cites poden no estar 100% correctes.