Layka. (2013). Beginning Groovy, Grails and Griffon (1.). Apress.
Cita Chicago (17th ed.)Layka. Beginning Groovy, Grails and Griffon. 1. Apress, 2013.
Cita MLA (8th ed.)Layka. Beginning Groovy, Grails and Griffon. 1. Apress, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.