Παραπομπή σε μορφή APA (7η εκδ.)

(1991). APL (Abstract programming language): Proceedings. International Conference APL 91 Palo Alto, California, USA 4-8 August 1991 Vol.21, No.4, August 1991. Association for Computing Machinery.

Παραπομπή σε μορφή Chicago (17η εκδ.)

APL (Abstract Programming Language): Proceedings. International Conference APL 91 Palo Alto, California, USA 4-8 August 1991 Vol.21, No.4, August 1991. New York: Association for Computing Machinery, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

APL (Abstract Programming Language): Proceedings. International Conference APL 91 Palo Alto, California, USA 4-8 August 1991 Vol.21, No.4, August 1991. Association for Computing Machinery, 1991.