Yuan, J. X. (2009). Liferay Portal 5.2 systems development: Build Java-based custom intranet systems on top of Liferay Portal. Packt Publishing Ltd..
Lua i Stíl Chicago (17ú heag.)Yuan, Jonas X. Liferay Portal 5.2 Systems Development: Build Java-based Custom Intranet Systems on top of Liferay Portal. Birmingham, U.K.: Packt Publishing Ltd., 2009.
Lua MLA (9ú heag.)Yuan, Jonas X. Liferay Portal 5.2 Systems Development: Build Java-based Custom Intranet Systems on top of Liferay Portal. Packt Publishing Ltd., 2009.
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