Παραπομπή σε μορφή APA (7η εκδ.)

Special Session on Elliptic Systems in the Plane & Gilbert, R. P. (1982). Plane ellipticity and related problems. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Special Session on Elliptic Systems in the Plane και Robert P. Gilbert. Plane Ellipticity and Related Problems. Providence, R.I.: American Mathematical Society, 1982.

Παραπομπή σε μορφή MLA (9th εκδ.)

Special Session on Elliptic Systems in the Plane και Robert P. Gilbert. Plane Ellipticity and Related Problems. American Mathematical Society, 1982.