Lua APA (7ú heag.)

Gassner, J. (1964). O'Neill, a collection of critical essays. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

Gassner, John. O'Neill, a Collection of Critical Essays. Englewood Cliffs, N.J: Prentice-Hall, 1964.

Lua MLA (9ú heag.)

Gassner, John. O'Neill, a Collection of Critical Essays. Prentice-Hall, 1964.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.