Παραπομπή σε μορφή APA (7η εκδ.)

PADL'99 & Gupta, G. (1999). Practical aspects of declarative laguages: First International Workshop, PADL'99, San Antonio, Texas, USA, January 18-19, 1999 : proceedings. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

PADL'99 και Gopal Gupta. Practical Aspects of Declarative Laguages: First International Workshop, PADL'99, San Antonio, Texas, USA, January 18-19, 1999 : Proceedings. Berlin ; : Heidelberg: Springer, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

PADL'99 και Gopal Gupta. Practical Aspects of Declarative Laguages: First International Workshop, PADL'99, San Antonio, Texas, USA, January 18-19, 1999 : Proceedings. Springer, 1999.